Home / 38,641.96-57,934.59-12,331.54

Finding the Fourth Proportional to 38,641.96, 57,934.59 and 12,331.54

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Solution

The fourth proportional to 38,641.96, 57,934.59 and 12,331.54 is: 18,488.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,641.96 : 57,934.59 = 12,331.54 : x
  2. Step 2: Convert to fraction form
    38,641.96/57,934.59 = 12,331.54/x
  3. Step 3: Cross multiply
    38,641.96x = 57,934.59 × 12,331.54
  4. Step 4: Simplify right side
    38,641.96x = 714,422,713.97
  5. Step 5: Solve for x
    x = 714,422,713.97/38,641.96
  6. Step 6: Final answer
    x = 18,488.26

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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.