Home / 61,115.52-91,699.42-25,585.14

Finding the Fourth Proportional to 61,115.52, 91,699.42 and 25,585.14

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Solution

The fourth proportional to 61,115.52, 91,699.42 and 25,585.14 is: 38,388.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,115.52 : 91,699.42 = 25,585.14 : x
  2. Step 2: Convert to fraction form
    61,115.52/91,699.42 = 25,585.14/x
  3. Step 3: Cross multiply
    61,115.52x = 91,699.42 × 25,585.14
  4. Step 4: Simplify right side
    61,115.52x = 2,346,142,498.62
  5. Step 5: Solve for x
    x = 2,346,142,498.62/61,115.52
  6. Step 6: Final answer
    x = 38,388.65

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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.