Home / 38,304.99-57,457.49-12,011.85

Finding the Fourth Proportional to 38,304.99, 57,457.49 and 12,011.85

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Solution

The fourth proportional to 38,304.99, 57,457.49 and 12,011.85 is: 18,017.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,304.99 : 57,457.49 = 12,011.85 : x
  2. Step 2: Convert to fraction form
    38,304.99/57,457.49 = 12,011.85/x
  3. Step 3: Cross multiply
    38,304.99x = 57,457.49 × 12,011.85
  4. Step 4: Simplify right side
    38,304.99x = 690,170,691.20
  5. Step 5: Solve for x
    x = 690,170,691.20/38,304.99
  6. Step 6: Final answer
    x = 18,017.78

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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.