Home / 67,679.68-101,540.28-30,271.24

Finding the Fourth Proportional to 67,679.68, 101,540.28 and 30,271.24

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Solution

The fourth proportional to 67,679.68, 101,540.28 and 30,271.24 is: 45,416.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,679.68 : 101,540.28 = 30,271.24 : x
  2. Step 2: Convert to fraction form
    67,679.68/101,540.28 = 30,271.24/x
  3. Step 3: Cross multiply
    67,679.68x = 101,540.28 × 30,271.24
  4. Step 4: Simplify right side
    67,679.68x = 3,073,750,185.55
  5. Step 5: Solve for x
    x = 3,073,750,185.55/67,679.68
  6. Step 6: Final answer
    x = 45,416.15

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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.