Home / 38,641.46-57,933.84-12,331.04

Finding the Fourth Proportional to 38,641.46, 57,933.84 and 12,331.04

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Solution

The fourth proportional to 38,641.46, 57,933.84 and 12,331.04 is: 18,487.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,641.46 : 57,933.84 = 12,331.04 : x
  2. Step 2: Convert to fraction form
    38,641.46/57,933.84 = 12,331.04/x
  3. Step 3: Cross multiply
    38,641.46x = 57,933.84 × 12,331.04
  4. Step 4: Simplify right side
    38,641.46x = 714,384,498.39
  5. Step 5: Solve for x
    x = 714,384,498.39/38,641.46
  6. Step 6: Final answer
    x = 18,487.51

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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.