Home / 38,910.85-58,316.69-18,924.86

Finding the Fourth Proportional to 38,910.85, 58,316.69 and 18,924.86

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Solution

The fourth proportional to 38,910.85, 58,316.69 and 18,924.86 is: 28,363.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,910.85 : 58,316.69 = 18,924.86 : x
  2. Step 2: Convert to fraction form
    38,910.85/58,316.69 = 18,924.86/x
  3. Step 3: Cross multiply
    38,910.85x = 58,316.69 × 18,924.86
  4. Step 4: Simplify right side
    38,910.85x = 1,103,635,387.02
  5. Step 5: Solve for x
    x = 1,103,635,387.02/38,910.85
  6. Step 6: Final answer
    x = 28,363.18

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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.