Home / 49,876.50-74,814.75-18,689.88

Finding the Fourth Proportional to 49,876.50, 74,814.75 and 18,689.88

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Solution

The fourth proportional to 49,876.50, 74,814.75 and 18,689.88 is: 28,034.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,876.50 : 74,814.75 = 18,689.88 : x
  2. Step 2: Convert to fraction form
    49,876.50/74,814.75 = 18,689.88/x
  3. Step 3: Cross multiply
    49,876.50x = 74,814.75 × 18,689.88
  4. Step 4: Simplify right side
    49,876.50x = 1,398,278,699.73
  5. Step 5: Solve for x
    x = 1,398,278,699.73/49,876.50
  6. Step 6: Final answer
    x = 28,034.82

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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.