Home / 51,743.50-71,406.12-29,387.50

Finding the Fourth Proportional to 51,743.50, 71,406.12 and 29,387.50

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Solution

The fourth proportional to 51,743.50, 71,406.12 and 29,387.50 is: 40,554.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,743.50 : 71,406.12 = 29,387.50 : x
  2. Step 2: Convert to fraction form
    51,743.50/71,406.12 = 29,387.50/x
  3. Step 3: Cross multiply
    51,743.50x = 71,406.12 × 29,387.50
  4. Step 4: Simplify right side
    51,743.50x = 2,098,447,351.50
  5. Step 5: Solve for x
    x = 2,098,447,351.50/51,743.50
  6. Step 6: Final answer
    x = 40,554.80

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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.