Home / 36,839.70-55,223.10-18,104.40

Finding the Fourth Proportional to 36,839.70, 55,223.10 and 18,104.40

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Solution

The fourth proportional to 36,839.70, 55,223.10 and 18,104.40 is: 27,138.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,839.70 : 55,223.10 = 18,104.40 : x
  2. Step 2: Convert to fraction form
    36,839.70/55,223.10 = 18,104.40/x
  3. Step 3: Cross multiply
    36,839.70x = 55,223.10 × 18,104.40
  4. Step 4: Simplify right side
    36,839.70x = 999,781,091.64
  5. Step 5: Solve for x
    x = 999,781,091.64/36,839.70
  6. Step 6: Final answer
    x = 27,138.69

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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.