Home / 67,680.68-101,541.78-30,272.24

Finding the Fourth Proportional to 67,680.68, 101,541.78 and 30,272.24

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Solution

The fourth proportional to 67,680.68, 101,541.78 and 30,272.24 is: 45,417.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,680.68 : 101,541.78 = 30,272.24 : x
  2. Step 2: Convert to fraction form
    67,680.68/101,541.78 = 30,272.24/x
  3. Step 3: Cross multiply
    67,680.68x = 101,541.78 × 30,272.24
  4. Step 4: Simplify right side
    67,680.68x = 3,073,897,134.19
  5. Step 5: Solve for x
    x = 3,073,897,134.19/67,680.68
  6. Step 6: Final answer
    x = 45,417.65

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1.5x scale

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.