Home / 38,113.92-57,187.20-19,658.88

Finding the Fourth Proportional to 38,113.92, 57,187.20 and 19,658.88

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Solution

The fourth proportional to 38,113.92, 57,187.20 and 19,658.88 is: 29,496.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,113.92 : 57,187.20 = 19,658.88 : x
  2. Step 2: Convert to fraction form
    38,113.92/57,187.20 = 19,658.88/x
  3. Step 3: Cross multiply
    38,113.92x = 57,187.20 × 19,658.88
  4. Step 4: Simplify right side
    38,113.92x = 1,124,236,302.34
  5. Step 5: Solve for x
    x = 1,124,236,302.34/38,113.92
  6. Step 6: Final answer
    x = 29,496.74

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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.