Home / 54,350.08-81,429.76-38,686.08

Finding the Fourth Proportional to 54,350.08, 81,429.76 and 38,686.08

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Solution

The fourth proportional to 54,350.08, 81,429.76 and 38,686.08 is: 57,961.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,350.08 : 81,429.76 = 38,686.08 : x
  2. Step 2: Convert to fraction form
    54,350.08/81,429.76 = 38,686.08/x
  3. Step 3: Cross multiply
    54,350.08x = 81,429.76 × 38,686.08
  4. Step 4: Simplify right side
    54,350.08x = 3,150,198,209.74
  5. Step 5: Solve for x
    x = 3,150,198,209.74/54,350.08
  6. Step 6: Final answer
    x = 57,961.24

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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.