Home / 38,552.40-57,742.20-20,062.80

Finding the Fourth Proportional to 38,552.40, 57,742.20 and 20,062.80

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Solution

The fourth proportional to 38,552.40, 57,742.20 and 20,062.80 is: 30,049.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,552.40 : 57,742.20 = 20,062.80 : x
  2. Step 2: Convert to fraction form
    38,552.40/57,742.20 = 20,062.80/x
  3. Step 3: Cross multiply
    38,552.40x = 57,742.20 × 20,062.80
  4. Step 4: Simplify right side
    38,552.40x = 1,158,470,210.16
  5. Step 5: Solve for x
    x = 1,158,470,210.16/38,552.40
  6. Step 6: Final answer
    x = 30,049.24

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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.