Home / 34,290.47-51,393.30-20,236.25

Finding the Fourth Proportional to 34,290.47, 51,393.30 and 20,236.25

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Solution

The fourth proportional to 34,290.47, 51,393.30 and 20,236.25 is: 30,329.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,290.47 : 51,393.30 = 20,236.25 : x
  2. Step 2: Convert to fraction form
    34,290.47/51,393.30 = 20,236.25/x
  3. Step 3: Cross multiply
    34,290.47x = 51,393.30 × 20,236.25
  4. Step 4: Simplify right side
    34,290.47x = 1,040,007,667.13
  5. Step 5: Solve for x
    x = 1,040,007,667.13/34,290.47
  6. Step 6: Final answer
    x = 30,329.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.