Home / 51,937.16-71,687.96-30,723.80

Finding the Fourth Proportional to 51,937.16, 71,687.96 and 30,723.80

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Solution

The fourth proportional to 51,937.16, 71,687.96 and 30,723.80 is: 42,407.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,937.16 : 71,687.96 = 30,723.80 : x
  2. Step 2: Convert to fraction form
    51,937.16/71,687.96 = 30,723.80/x
  3. Step 3: Cross multiply
    51,937.16x = 71,687.96 × 30,723.80
  4. Step 4: Simplify right side
    51,937.16x = 2,202,526,545.45
  5. Step 5: Solve for x
    x = 2,202,526,545.45/51,937.16
  6. Step 6: Final answer
    x = 42,407.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.