Home / 38,442.82-57,667.86-12,151.42

Finding the Fourth Proportional to 38,442.82, 57,667.86 and 12,151.42

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Solution

The fourth proportional to 38,442.82, 57,667.86 and 12,151.42 is: 18,228.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,442.82 : 57,667.86 = 12,151.42 : x
  2. Step 2: Convert to fraction form
    38,442.82/57,667.86 = 12,151.42/x
  3. Step 3: Cross multiply
    38,442.82x = 57,667.86 × 12,151.42
  4. Step 4: Simplify right side
    38,442.82x = 700,746,387.36
  5. Step 5: Solve for x
    x = 700,746,387.36/38,442.82
  6. Step 6: Final answer
    x = 18,228.28

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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.