Home / 40,115.90-60,182.15-12,034.82

Finding the Fourth Proportional to 40,115.90, 60,182.15 and 12,034.82

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Solution

The fourth proportional to 40,115.90, 60,182.15 and 12,034.82 is: 18,054.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,115.90 : 60,182.15 = 12,034.82 : x
  2. Step 2: Convert to fraction form
    40,115.90/60,182.15 = 12,034.82/x
  3. Step 3: Cross multiply
    40,115.90x = 60,182.15 × 12,034.82
  4. Step 4: Simplify right side
    40,115.90x = 724,280,981.38
  5. Step 5: Solve for x
    x = 724,280,981.38/40,115.90
  6. Step 6: Final answer
    x = 18,054.71

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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.