Home / 38,412.92-57,618.70-13,452.42

Finding the Fourth Proportional to 38,412.92, 57,618.70 and 13,452.42

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Solution

The fourth proportional to 38,412.92, 57,618.70 and 13,452.42 is: 20,178.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,412.92 : 57,618.70 = 13,452.42 : x
  2. Step 2: Convert to fraction form
    38,412.92/57,618.70 = 13,452.42/x
  3. Step 3: Cross multiply
    38,412.92x = 57,618.70 × 13,452.42
  4. Step 4: Simplify right side
    38,412.92x = 775,110,952.25
  5. Step 5: Solve for x
    x = 775,110,952.25/38,412.92
  6. Step 6: Final answer
    x = 20,178.39

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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.