Home / 53,001.57-73,143.56-29,128.87

Finding the Fourth Proportional to 53,001.57, 73,143.56 and 29,128.87

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Solution

The fourth proportional to 53,001.57, 73,143.56 and 29,128.87 is: 40,198.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,001.57 : 73,143.56 = 29,128.87 : x
  2. Step 2: Convert to fraction form
    53,001.57/73,143.56 = 29,128.87/x
  3. Step 3: Cross multiply
    53,001.57x = 73,143.56 × 29,128.87
  4. Step 4: Simplify right side
    53,001.57x = 2,130,589,456.70
  5. Step 5: Solve for x
    x = 2,130,589,456.70/53,001.57
  6. Step 6: Final answer
    x = 40,198.61

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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.