Home / 40,824.20-61,255.13-18,644.37

Finding the Fourth Proportional to 40,824.20, 61,255.13 and 18,644.37

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Solution

The fourth proportional to 40,824.20, 61,255.13 and 18,644.37 is: 27,975.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,824.20 : 61,255.13 = 18,644.37 : x
  2. Step 2: Convert to fraction form
    40,824.20/61,255.13 = 18,644.37/x
  3. Step 3: Cross multiply
    40,824.20x = 61,255.13 × 18,644.37
  4. Step 4: Simplify right side
    40,824.20x = 1,142,063,214.90
  5. Step 5: Solve for x
    x = 1,142,063,214.90/40,824.20
  6. Step 6: Final answer
    x = 27,975.16

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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.