Home / 48,276.20-72,414.39-20,574.20

Finding the Fourth Proportional to 48,276.20, 72,414.39 and 20,574.20

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Solution

The fourth proportional to 48,276.20, 72,414.39 and 20,574.20 is: 30,861.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,276.20 : 72,414.39 = 20,574.20 : x
  2. Step 2: Convert to fraction form
    48,276.20/72,414.39 = 20,574.20/x
  3. Step 3: Cross multiply
    48,276.20x = 72,414.39 × 20,574.20
  4. Step 4: Simplify right side
    48,276.20x = 1,489,867,780.67
  5. Step 5: Solve for x
    x = 1,489,867,780.67/48,276.20
  6. Step 6: Final answer
    x = 30,861.33

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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.