Home / 47,781.20-71,268.65-41,491.76

Finding the Fourth Proportional to 47,781.20, 71,268.65 and 41,491.76

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Solution

The fourth proportional to 47,781.20, 71,268.65 and 41,491.76 is: 61,887.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,781.20 : 71,268.65 = 41,491.76 : x
  2. Step 2: Convert to fraction form
    47,781.20/71,268.65 = 41,491.76/x
  3. Step 3: Cross multiply
    47,781.20x = 71,268.65 × 41,491.76
  4. Step 4: Simplify right side
    47,781.20x = 2,957,061,364.98
  5. Step 5: Solve for x
    x = 2,957,061,364.98/47,781.20
  6. Step 6: Final answer
    x = 61,887.55

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.