Home / 38,340.30-57,516.12-19,630.92

Finding the Fourth Proportional to 38,340.30, 57,516.12 and 19,630.92

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Solution

The fourth proportional to 38,340.30, 57,516.12 and 19,630.92 is: 29,449.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,340.30 : 57,516.12 = 19,630.92 : x
  2. Step 2: Convert to fraction form
    38,340.30/57,516.12 = 19,630.92/x
  3. Step 3: Cross multiply
    38,340.30x = 57,516.12 × 19,630.92
  4. Step 4: Simplify right side
    38,340.30x = 1,129,094,350.43
  5. Step 5: Solve for x
    x = 1,129,094,350.43/38,340.30
  6. Step 6: Final answer
    x = 29,449.28

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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.