Home / 34,296.33-47,325.81-21,720.81

Finding the Fourth Proportional to 34,296.33, 47,325.81 and 21,720.81

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Solution

The fourth proportional to 34,296.33, 47,325.81 and 21,720.81 is: 29,972.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,296.33 : 47,325.81 = 21,720.81 : x
  2. Step 2: Convert to fraction form
    34,296.33/47,325.81 = 21,720.81/x
  3. Step 3: Cross multiply
    34,296.33x = 47,325.81 × 21,720.81
  4. Step 4: Simplify right side
    34,296.33x = 1,027,954,927.11
  5. Step 5: Solve for x
    x = 1,027,954,927.11/34,296.33
  6. Step 6: Final answer
    x = 29,972.74

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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.