Home / 36,138.57-54,170.76-13,943.22

Finding the Fourth Proportional to 36,138.57, 54,170.76 and 13,943.22

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Solution

The fourth proportional to 36,138.57, 54,170.76 and 13,943.22 is: 20,900.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,138.57 : 54,170.76 = 13,943.22 : x
  2. Step 2: Convert to fraction form
    36,138.57/54,170.76 = 13,943.22/x
  3. Step 3: Cross multiply
    36,138.57x = 54,170.76 × 13,943.22
  4. Step 4: Simplify right side
    36,138.57x = 755,314,824.25
  5. Step 5: Solve for x
    x = 755,314,824.25/36,138.57
  6. Step 6: Final answer
    x = 20,900.52

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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.