Home / 38,057.24-57,120.49-20,302.95

Finding the Fourth Proportional to 38,057.24, 57,120.49 and 20,302.95

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Solution

The fourth proportional to 38,057.24, 57,120.49 and 20,302.95 is: 30,472.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,057.24 : 57,120.49 = 20,302.95 : x
  2. Step 2: Convert to fraction form
    38,057.24/57,120.49 = 20,302.95/x
  3. Step 3: Cross multiply
    38,057.24x = 57,120.49 × 20,302.95
  4. Step 4: Simplify right side
    38,057.24x = 1,159,714,692.03
  5. Step 5: Solve for x
    x = 1,159,714,692.03/38,057.24
  6. Step 6: Final answer
    x = 30,472.90

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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.