Home / 65,177.18-89,913.18-38,318.38

Finding the Fourth Proportional to 65,177.18, 89,913.18 and 38,318.38

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Solution

The fourth proportional to 65,177.18, 89,913.18 and 38,318.38 is: 52,860.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,177.18 : 89,913.18 = 38,318.38 : x
  2. Step 2: Convert to fraction form
    65,177.18/89,913.18 = 38,318.38/x
  3. Step 3: Cross multiply
    65,177.18x = 89,913.18 × 38,318.38
  4. Step 4: Simplify right side
    65,177.18x = 3,445,327,398.25
  5. Step 5: Solve for x
    x = 3,445,327,398.25/65,177.18
  6. Step 6: Final answer
    x = 52,860.95

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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.