Home / 71,348.24-107,013.85-18,761.82

Finding the Fourth Proportional to 71,348.24, 107,013.85 and 18,761.82

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Solution

The fourth proportional to 71,348.24, 107,013.85 and 18,761.82 is: 28,140.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,348.24 : 107,013.85 = 18,761.82 : x
  2. Step 2: Convert to fraction form
    71,348.24/107,013.85 = 18,761.82/x
  3. Step 3: Cross multiply
    71,348.24x = 107,013.85 × 18,761.82
  4. Step 4: Simplify right side
    71,348.24x = 2,007,774,497.40
  5. Step 5: Solve for x
    x = 2,007,774,497.40/71,348.24
  6. Step 6: Final answer
    x = 28,140.49

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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.