Home / 65,862.39-98,809.23-21,489.15

Finding the Fourth Proportional to 65,862.39, 98,809.23 and 21,489.15

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Solution

The fourth proportional to 65,862.39, 98,809.23 and 21,489.15 is: 32,238.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,862.39 : 98,809.23 = 21,489.15 : x
  2. Step 2: Convert to fraction form
    65,862.39/98,809.23 = 21,489.15/x
  3. Step 3: Cross multiply
    65,862.39x = 98,809.23 × 21,489.15
  4. Step 4: Simplify right side
    65,862.39x = 2,123,326,364.85
  5. Step 5: Solve for x
    x = 2,123,326,364.85/65,862.39
  6. Step 6: Final answer
    x = 32,238.83

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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.