Home / 51,812.90-71,501.03-29,151.92

Finding the Fourth Proportional to 51,812.90, 71,501.03 and 29,151.92

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Solution

The fourth proportional to 51,812.90, 71,501.03 and 29,151.92 is: 40,229.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,812.90 : 71,501.03 = 29,151.92 : x
  2. Step 2: Convert to fraction form
    51,812.90/71,501.03 = 29,151.92/x
  3. Step 3: Cross multiply
    51,812.90x = 71,501.03 × 29,151.92
  4. Step 4: Simplify right side
    51,812.90x = 2,084,391,803.21
  5. Step 5: Solve for x
    x = 2,084,391,803.21/51,812.90
  6. Step 6: Final answer
    x = 40,229.21

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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.