Home / 40,289-60,375.10-22,721.48

Finding the Fourth Proportional to 40,289, 60,375.10 and 22,721.48

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Solution

The fourth proportional to 40,289, 60,375.10 and 22,721.48 is: 34,049.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,289 : 60,375.10 = 22,721.48 : x
  2. Step 2: Convert to fraction form
    40,289/60,375.10 = 22,721.48/x
  3. Step 3: Cross multiply
    40,289x = 60,375.10 × 22,721.48
  4. Step 4: Simplify right side
    40,289x = 1,371,811,627.15
  5. Step 5: Solve for x
    x = 1,371,811,627.15/40,289
  6. Step 6: Final answer
    x = 34,049.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.