Home / 54,582.13-81,873.17-15,139.25

Finding the Fourth Proportional to 54,582.13, 81,873.17 and 15,139.25

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Solution

The fourth proportional to 54,582.13, 81,873.17 and 15,139.25 is: 22,708.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,582.13 : 81,873.17 = 15,139.25 : x
  2. Step 2: Convert to fraction form
    54,582.13/81,873.17 = 15,139.25/x
  3. Step 3: Cross multiply
    54,582.13x = 81,873.17 × 15,139.25
  4. Step 4: Simplify right side
    54,582.13x = 1,239,497,979.56
  5. Step 5: Solve for x
    x = 1,239,497,979.56/54,582.13
  6. Step 6: Final answer
    x = 22,708.86

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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.