Home / 73,523.38-110,276.28-20,220.78

Finding the Fourth Proportional to 73,523.38, 110,276.28 and 20,220.78

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Solution

The fourth proportional to 73,523.38, 110,276.28 and 20,220.78 is: 30,328.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,523.38 : 110,276.28 = 20,220.78 : x
  2. Step 2: Convert to fraction form
    73,523.38/110,276.28 = 20,220.78/x
  3. Step 3: Cross multiply
    73,523.38x = 110,276.28 × 20,220.78
  4. Step 4: Simplify right side
    73,523.38x = 2,229,872,397.10
  5. Step 5: Solve for x
    x = 2,229,872,397.10/73,523.38
  6. Step 6: Final answer
    x = 30,328.75

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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.