Home / 54,882.12-75,732.96-31,010.88

Finding the Fourth Proportional to 54,882.12, 75,732.96 and 31,010.88

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Solution

The fourth proportional to 54,882.12, 75,732.96 and 31,010.88 is: 42,792.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,882.12 : 75,732.96 = 31,010.88 : x
  2. Step 2: Convert to fraction form
    54,882.12/75,732.96 = 31,010.88/x
  3. Step 3: Cross multiply
    54,882.12x = 75,732.96 × 31,010.88
  4. Step 4: Simplify right side
    54,882.12x = 2,348,545,734.60
  5. Step 5: Solve for x
    x = 2,348,545,734.60/54,882.12
  6. Step 6: Final answer
    x = 42,792.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.