Home / 30,891.12-45,939.28-29,906.97

Finding the Fourth Proportional to 30,891.12, 45,939.28 and 29,906.97

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Solution

The fourth proportional to 30,891.12, 45,939.28 and 29,906.97 is: 44,475.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,891.12 : 45,939.28 = 29,906.97 : x
  2. Step 2: Convert to fraction form
    30,891.12/45,939.28 = 29,906.97/x
  3. Step 3: Cross multiply
    30,891.12x = 45,939.28 × 29,906.97
  4. Step 4: Simplify right side
    30,891.12x = 1,373,904,668.78
  5. Step 5: Solve for x
    x = 1,373,904,668.78/30,891.12
  6. Step 6: Final answer
    x = 44,475.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.