Home / 55,565.53-76,680.48-31,691.59

Finding the Fourth Proportional to 55,565.53, 76,680.48 and 31,691.59

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Solution

The fourth proportional to 55,565.53, 76,680.48 and 31,691.59 is: 43,734.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,565.53 : 76,680.48 = 31,691.59 : x
  2. Step 2: Convert to fraction form
    55,565.53/76,680.48 = 31,691.59/x
  3. Step 3: Cross multiply
    55,565.53x = 76,680.48 × 31,691.59
  4. Step 4: Simplify right side
    55,565.53x = 2,430,126,333.16
  5. Step 5: Solve for x
    x = 2,430,126,333.16/55,565.53
  6. Step 6: Final answer
    x = 43,734.42

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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.