Home / 71,979.67-108,002.31-36,943.93

Finding the Fourth Proportional to 71,979.67, 108,002.31 and 36,943.93

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Solution

The fourth proportional to 71,979.67, 108,002.31 and 36,943.93 is: 55,432.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,979.67 : 108,002.31 = 36,943.93 : x
  2. Step 2: Convert to fraction form
    71,979.67/108,002.31 = 36,943.93/x
  3. Step 3: Cross multiply
    71,979.67x = 108,002.31 × 36,943.93
  4. Step 4: Simplify right side
    71,979.67x = 3,990,029,780.48
  5. Step 5: Solve for x
    x = 3,990,029,780.48/71,979.67
  6. Step 6: Final answer
    x = 55,432.73

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1.5x scale

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.