Home / 34,292.97-47,325.65-20,145.69

Finding the Fourth Proportional to 34,292.97, 47,325.65 and 20,145.69

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Solution

The fourth proportional to 34,292.97, 47,325.65 and 20,145.69 is: 27,801.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,292.97 : 47,325.65 = 20,145.69 : x
  2. Step 2: Convert to fraction form
    34,292.97/47,325.65 = 20,145.69/x
  3. Step 3: Cross multiply
    34,292.97x = 47,325.65 × 20,145.69
  4. Step 4: Simplify right side
    34,292.97x = 953,407,773.22
  5. Step 5: Solve for x
    x = 953,407,773.22/34,292.97
  6. Step 6: Final answer
    x = 27,801.84

Related Problems

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Half scale
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Double scale
Find fourth proportional to 34,293.97, 47,327.03 and 20,146.69
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.