Home / 52,077.07-71,861.22-29,102.65

Finding the Fourth Proportional to 52,077.07, 71,861.22 and 29,102.65

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Solution

The fourth proportional to 52,077.07, 71,861.22 and 29,102.65 is: 40,158.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,077.07 : 71,861.22 = 29,102.65 : x
  2. Step 2: Convert to fraction form
    52,077.07/71,861.22 = 29,102.65/x
  3. Step 3: Cross multiply
    52,077.07x = 71,861.22 × 29,102.65
  4. Step 4: Simplify right side
    52,077.07x = 2,091,351,934.23
  5. Step 5: Solve for x
    x = 2,091,351,934.23/52,077.07
  6. Step 6: Final answer
    x = 40,158.79

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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.