Home / 38,304.40-57,456.60-12,011.26

Finding the Fourth Proportional to 38,304.40, 57,456.60 and 12,011.26

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Solution

The fourth proportional to 38,304.40, 57,456.60 and 12,011.26 is: 18,016.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,304.40 : 57,456.60 = 12,011.26 : x
  2. Step 2: Convert to fraction form
    38,304.40/57,456.60 = 12,011.26/x
  3. Step 3: Cross multiply
    38,304.40x = 57,456.60 × 12,011.26
  4. Step 4: Simplify right side
    38,304.40x = 690,125,987.65
  5. Step 5: Solve for x
    x = 690,125,987.65/38,304.40
  6. Step 6: Final answer
    x = 18,016.89

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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.