Home / 45,679.05-68,526.40-15,691.86

Finding the Fourth Proportional to 45,679.05, 68,526.40 and 15,691.86

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Solution

The fourth proportional to 45,679.05, 68,526.40 and 15,691.86 is: 23,540.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,679.05 : 68,526.40 = 15,691.86 : x
  2. Step 2: Convert to fraction form
    45,679.05/68,526.40 = 15,691.86/x
  3. Step 3: Cross multiply
    45,679.05x = 68,526.40 × 15,691.86
  4. Step 4: Simplify right side
    45,679.05x = 1,075,306,425.33
  5. Step 5: Solve for x
    x = 1,075,306,425.33/45,679.05
  6. Step 6: Final answer
    x = 23,540.48

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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.