Home / 39,147.18-58,720.56-9,565.14

Finding the Fourth Proportional to 39,147.18, 58,720.56 and 9,565.14

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Solution

The fourth proportional to 39,147.18, 58,720.56 and 9,565.14 is: 14,347.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,147.18 : 58,720.56 = 9,565.14 : x
  2. Step 2: Convert to fraction form
    39,147.18/58,720.56 = 9,565.14/x
  3. Step 3: Cross multiply
    39,147.18x = 58,720.56 × 9,565.14
  4. Step 4: Simplify right side
    39,147.18x = 561,670,377.28
  5. Step 5: Solve for x
    x = 561,670,377.28/39,147.18
  6. Step 6: Final answer
    x = 14,347.66

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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.