Home / 71,314.24-106,963.44-18,729.76

Finding the Fourth Proportional to 71,314.24, 106,963.44 and 18,729.76

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Solution

The fourth proportional to 71,314.24, 106,963.44 and 18,729.76 is: 28,092.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,314.24 : 106,963.44 = 18,729.76 : x
  2. Step 2: Convert to fraction form
    71,314.24/106,963.44 = 18,729.76/x
  3. Step 3: Cross multiply
    71,314.24x = 106,963.44 × 18,729.76
  4. Step 4: Simplify right side
    71,314.24x = 2,003,399,559.97
  5. Step 5: Solve for x
    x = 2,003,399,559.97/71,314.24
  6. Step 6: Final answer
    x = 28,092.56

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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.