Home / 31,146.38-46,727.46-8,959.28

Finding the Fourth Proportional to 31,146.38, 46,727.46 and 8,959.28

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Solution

The fourth proportional to 31,146.38, 46,727.46 and 8,959.28 is: 13,441.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,146.38 : 46,727.46 = 8,959.28 : x
  2. Step 2: Convert to fraction form
    31,146.38/46,727.46 = 8,959.28/x
  3. Step 3: Cross multiply
    31,146.38x = 46,727.46 × 8,959.28
  4. Step 4: Simplify right side
    31,146.38x = 418,644,397.83
  5. Step 5: Solve for x
    x = 418,644,397.83/31,146.38
  6. Step 6: Final answer
    x = 13,441.19

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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.