Home / 37,452.78-51,685.17-21,319.29

Finding the Fourth Proportional to 37,452.78, 51,685.17 and 21,319.29

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Solution

The fourth proportional to 37,452.78, 51,685.17 and 21,319.29 is: 29,420.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,452.78 : 51,685.17 = 21,319.29 : x
  2. Step 2: Convert to fraction form
    37,452.78/51,685.17 = 21,319.29/x
  3. Step 3: Cross multiply
    37,452.78x = 51,685.17 × 21,319.29
  4. Step 4: Simplify right side
    37,452.78x = 1,101,891,127.93
  5. Step 5: Solve for x
    x = 1,101,891,127.93/37,452.78
  6. Step 6: Final answer
    x = 29,420.81

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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.