Home / 38,561.57-57,855.47-20,793.92

Finding the Fourth Proportional to 38,561.57, 57,855.47 and 20,793.92

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Solution

The fourth proportional to 38,561.57, 57,855.47 and 20,793.92 is: 31,197.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,561.57 : 57,855.47 = 20,793.92 : x
  2. Step 2: Convert to fraction form
    38,561.57/57,855.47 = 20,793.92/x
  3. Step 3: Cross multiply
    38,561.57x = 57,855.47 × 20,793.92
  4. Step 4: Simplify right side
    38,561.57x = 1,203,041,621.50
  5. Step 5: Solve for x
    x = 1,203,041,621.50/38,561.57
  6. Step 6: Final answer
    x = 31,197.94

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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.