Home / 40,820.30-61,254.11-17,125.75

Finding the Fourth Proportional to 40,820.30, 61,254.11 and 17,125.75

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Solution

The fourth proportional to 40,820.30, 61,254.11 and 17,125.75 is: 25,698.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,820.30 : 61,254.11 = 17,125.75 : x
  2. Step 2: Convert to fraction form
    40,820.30/61,254.11 = 17,125.75/x
  3. Step 3: Cross multiply
    40,820.30x = 61,254.11 × 17,125.75
  4. Step 4: Simplify right side
    40,820.30x = 1,049,022,769.66
  5. Step 5: Solve for x
    x = 1,049,022,769.66/40,820.30
  6. Step 6: Final answer
    x = 25,698.55

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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.