Home / 44,689.11-66,931.56-21,331.95

Finding the Fourth Proportional to 44,689.11, 66,931.56 and 21,331.95

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Solution

The fourth proportional to 44,689.11, 66,931.56 and 21,331.95 is: 31,949.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,689.11 : 66,931.56 = 21,331.95 : x
  2. Step 2: Convert to fraction form
    44,689.11/66,931.56 = 21,331.95/x
  3. Step 3: Cross multiply
    44,689.11x = 66,931.56 × 21,331.95
  4. Step 4: Simplify right side
    44,689.11x = 1,427,780,691.34
  5. Step 5: Solve for x
    x = 1,427,780,691.34/44,689.11
  6. Step 6: Final answer
    x = 31,949.19

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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.