Home / 45,425.18-68,138.15-15,842.97

Finding the Fourth Proportional to 45,425.18, 68,138.15 and 15,842.97

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Solution

The fourth proportional to 45,425.18, 68,138.15 and 15,842.97 is: 23,764.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,425.18 : 68,138.15 = 15,842.97 : x
  2. Step 2: Convert to fraction form
    45,425.18/68,138.15 = 15,842.97/x
  3. Step 3: Cross multiply
    45,425.18x = 68,138.15 × 15,842.97
  4. Step 4: Simplify right side
    45,425.18x = 1,079,510,587.09
  5. Step 5: Solve for x
    x = 1,079,510,587.09/45,425.18
  6. Step 6: Final answer
    x = 23,764.58

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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.