Home / 37,149.60-55,724.40-30,151.20

Finding the Fourth Proportional to 37,149.60, 55,724.40 and 30,151.20

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Solution

The fourth proportional to 37,149.60, 55,724.40 and 30,151.20 is: 45,226.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,149.60 : 55,724.40 = 30,151.20 : x
  2. Step 2: Convert to fraction form
    37,149.60/55,724.40 = 30,151.20/x
  3. Step 3: Cross multiply
    37,149.60x = 55,724.40 × 30,151.20
  4. Step 4: Simplify right side
    37,149.60x = 1,680,157,529.28
  5. Step 5: Solve for x
    x = 1,680,157,529.28/37,149.60
  6. Step 6: Final answer
    x = 45,226.80

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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.