Home / 36,117.40-54,177.62-12,743.96

Finding the Fourth Proportional to 36,117.40, 54,177.62 and 12,743.96

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Solution

The fourth proportional to 36,117.40, 54,177.62 and 12,743.96 is: 19,116.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,117.40 : 54,177.62 = 12,743.96 : x
  2. Step 2: Convert to fraction form
    36,117.40/54,177.62 = 12,743.96/x
  3. Step 3: Cross multiply
    36,117.40x = 54,177.62 × 12,743.96
  4. Step 4: Simplify right side
    36,117.40x = 690,437,422.18
  5. Step 5: Solve for x
    x = 690,437,422.18/36,117.40
  6. Step 6: Final answer
    x = 19,116.48

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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.