Home / 65,206.52-89,979.90-38,350.04

Finding the Fourth Proportional to 65,206.52, 89,979.90 and 38,350.04

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Solution

The fourth proportional to 65,206.52, 89,979.90 and 38,350.04 is: 52,920.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,206.52 : 89,979.90 = 38,350.04 : x
  2. Step 2: Convert to fraction form
    65,206.52/89,979.90 = 38,350.04/x
  3. Step 3: Cross multiply
    65,206.52x = 89,979.90 × 38,350.04
  4. Step 4: Simplify right side
    65,206.52x = 3,450,732,764.20
  5. Step 5: Solve for x
    x = 3,450,732,764.20/65,206.52
  6. Step 6: Final answer
    x = 52,920.06

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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.