Home / 42,416.20-63,624.30-29,909.80

Finding the Fourth Proportional to 42,416.20, 63,624.30 and 29,909.80

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Solution

The fourth proportional to 42,416.20, 63,624.30 and 29,909.80 is: 44,864.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,416.20 : 63,624.30 = 29,909.80 : x
  2. Step 2: Convert to fraction form
    42,416.20/63,624.30 = 29,909.80/x
  3. Step 3: Cross multiply
    42,416.20x = 63,624.30 × 29,909.80
  4. Step 4: Simplify right side
    42,416.20x = 1,902,990,088.14
  5. Step 5: Solve for x
    x = 1,902,990,088.14/42,416.20
  6. Step 6: Final answer
    x = 44,864.70

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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.