Home / 50,754.28-76,131-39,670.29

Finding the Fourth Proportional to 50,754.28, 76,131 and 39,670.29

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Solution

The fourth proportional to 50,754.28, 76,131 and 39,670.29 is: 59,505.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,754.28 : 76,131 = 39,670.29 : x
  2. Step 2: Convert to fraction form
    50,754.28/76,131 = 39,670.29/x
  3. Step 3: Cross multiply
    50,754.28x = 76,131 × 39,670.29
  4. Step 4: Simplify right side
    50,754.28x = 3,020,138,847.99
  5. Step 5: Solve for x
    x = 3,020,138,847.99/50,754.28
  6. Step 6: Final answer
    x = 59,505.11

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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.