Home / 51,807.47-71,491.37-29,147.42

Finding the Fourth Proportional to 51,807.47, 71,491.37 and 29,147.42

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Solution

The fourth proportional to 51,807.47, 71,491.37 and 29,147.42 is: 40,221.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,807.47 : 71,491.37 = 29,147.42 : x
  2. Step 2: Convert to fraction form
    51,807.47/71,491.37 = 29,147.42/x
  3. Step 3: Cross multiply
    51,807.47x = 71,491.37 × 29,147.42
  4. Step 4: Simplify right side
    51,807.47x = 2,083,788,703.18
  5. Step 5: Solve for x
    x = 2,083,788,703.18/51,807.47
  6. Step 6: Final answer
    x = 40,221.78

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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.