Home / 38,271.08-57,402.30-13,306.92

Finding the Fourth Proportional to 38,271.08, 57,402.30 and 13,306.92

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Solution

The fourth proportional to 38,271.08, 57,402.30 and 13,306.92 is: 19,958.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,271.08 : 57,402.30 = 13,306.92 : x
  2. Step 2: Convert to fraction form
    38,271.08/57,402.30 = 13,306.92/x
  3. Step 3: Cross multiply
    38,271.08x = 57,402.30 × 13,306.92
  4. Step 4: Simplify right side
    38,271.08x = 763,847,813.92
  5. Step 5: Solve for x
    x = 763,847,813.92/38,271.08
  6. Step 6: Final answer
    x = 19,958.88

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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.