Home / 51,803.28-71,488.42-29,142.29

Finding the Fourth Proportional to 51,803.28, 71,488.42 and 29,142.29

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Solution

The fourth proportional to 51,803.28, 71,488.42 and 29,142.29 is: 40,216.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,803.28 : 71,488.42 = 29,142.29 : x
  2. Step 2: Convert to fraction form
    51,803.28/71,488.42 = 29,142.29/x
  3. Step 3: Cross multiply
    51,803.28x = 71,488.42 × 29,142.29
  4. Step 4: Simplify right side
    51,803.28x = 2,083,335,764.13
  5. Step 5: Solve for x
    x = 2,083,335,764.13/51,803.28
  6. Step 6: Final answer
    x = 40,216.29

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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.