Home / 65,559.22-90,470.54-38,337.91

Finding the Fourth Proportional to 65,559.22, 90,470.54 and 38,337.91

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Solution

The fourth proportional to 65,559.22, 90,470.54 and 38,337.91 is: 52,905.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,559.22 : 90,470.54 = 38,337.91 : x
  2. Step 2: Convert to fraction form
    65,559.22/90,470.54 = 38,337.91/x
  3. Step 3: Cross multiply
    65,559.22x = 90,470.54 × 38,337.91
  4. Step 4: Simplify right side
    65,559.22x = 3,468,451,289.84
  5. Step 5: Solve for x
    x = 3,468,451,289.84/65,559.22
  6. Step 6: Final answer
    x = 52,905.62

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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.