Home / 44,688.88-66,931.24-21,331.72

Finding the Fourth Proportional to 44,688.88, 66,931.24 and 21,331.72

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Solution

The fourth proportional to 44,688.88, 66,931.24 and 21,331.72 is: 31,948.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,688.88 : 66,931.24 = 21,331.72 : x
  2. Step 2: Convert to fraction form
    44,688.88/66,931.24 = 21,331.72/x
  3. Step 3: Cross multiply
    44,688.88x = 66,931.24 × 21,331.72
  4. Step 4: Simplify right side
    44,688.88x = 1,427,758,470.93
  5. Step 5: Solve for x
    x = 1,427,758,470.93/44,688.88
  6. Step 6: Final answer
    x = 31,948.85

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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.