Home / 63,909.40-95,864.10-40,289.80

Finding the Fourth Proportional to 63,909.40, 95,864.10 and 40,289.80

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Solution

The fourth proportional to 63,909.40, 95,864.10 and 40,289.80 is: 60,434.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,909.40 : 95,864.10 = 40,289.80 : x
  2. Step 2: Convert to fraction form
    63,909.40/95,864.10 = 40,289.80/x
  3. Step 3: Cross multiply
    63,909.40x = 95,864.10 × 40,289.80
  4. Step 4: Simplify right side
    63,909.40x = 3,862,345,416.18
  5. Step 5: Solve for x
    x = 3,862,345,416.18/63,909.40
  6. Step 6: Final answer
    x = 60,434.70

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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.