Home / 38,979.62-58,472.52-10,899.86

Finding the Fourth Proportional to 38,979.62, 58,472.52 and 10,899.86

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Solution

The fourth proportional to 38,979.62, 58,472.52 and 10,899.86 is: 16,350.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,979.62 : 58,472.52 = 10,899.86 : x
  2. Step 2: Convert to fraction form
    38,979.62/58,472.52 = 10,899.86/x
  3. Step 3: Cross multiply
    38,979.62x = 58,472.52 × 10,899.86
  4. Step 4: Simplify right side
    38,979.62x = 637,342,281.85
  5. Step 5: Solve for x
    x = 637,342,281.85/38,979.62
  6. Step 6: Final answer
    x = 16,350.65

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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.