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Finding the Fourth Proportional to 29,151.91, 43,729.22 and 9,432.01

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Solution

The fourth proportional to 29,151.91, 43,729.22 and 9,432.01 is: 14,148.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,151.91 : 43,729.22 = 9,432.01 : x
  2. Step 2: Convert to fraction form
    29,151.91/43,729.22 = 9,432.01/x
  3. Step 3: Cross multiply
    29,151.91x = 43,729.22 × 9,432.01
  4. Step 4: Simplify right side
    29,151.91x = 412,454,354.59
  5. Step 5: Solve for x
    x = 412,454,354.59/29,151.91
  6. Step 6: Final answer
    x = 14,148.45

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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.