Home / 54,565.25-75,300.64-30,691.91

Finding the Fourth Proportional to 54,565.25, 75,300.64 and 30,691.91

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Solution

The fourth proportional to 54,565.25, 75,300.64 and 30,691.91 is: 42,355.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,565.25 : 75,300.64 = 30,691.91 : x
  2. Step 2: Convert to fraction form
    54,565.25/75,300.64 = 30,691.91/x
  3. Step 3: Cross multiply
    54,565.25x = 75,300.64 × 30,691.91
  4. Step 4: Simplify right side
    54,565.25x = 2,311,120,577.34
  5. Step 5: Solve for x
    x = 2,311,120,577.34/54,565.25
  6. Step 6: Final answer
    x = 42,355.18

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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.