Home / 40,982.26-61,513.44-21,007.66

Finding the Fourth Proportional to 40,982.26, 61,513.44 and 21,007.66

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Solution

The fourth proportional to 40,982.26, 61,513.44 and 21,007.66 is: 31,532.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,982.26 : 61,513.44 = 21,007.66 : x
  2. Step 2: Convert to fraction form
    40,982.26/61,513.44 = 21,007.66/x
  3. Step 3: Cross multiply
    40,982.26x = 61,513.44 × 21,007.66
  4. Step 4: Simplify right side
    40,982.26x = 1,292,253,432.95
  5. Step 5: Solve for x
    x = 1,292,253,432.95/40,982.26
  6. Step 6: Final answer
    x = 31,532.02

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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.