Home / 38,289.20-57,499.41-20,793.20

Finding the Fourth Proportional to 38,289.20, 57,499.41 and 20,793.20

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Solution

The fourth proportional to 38,289.20, 57,499.41 and 20,793.20 is: 31,225.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,289.20 : 57,499.41 = 20,793.20 : x
  2. Step 2: Convert to fraction form
    38,289.20/57,499.41 = 20,793.20/x
  3. Step 3: Cross multiply
    38,289.20x = 57,499.41 × 20,793.20
  4. Step 4: Simplify right side
    38,289.20x = 1,195,596,732.01
  5. Step 5: Solve for x
    x = 1,195,596,732.01/38,289.20
  6. Step 6: Final answer
    x = 31,225.43

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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.