Home / 36,138.96-54,166.86-13,942.53

Finding the Fourth Proportional to 36,138.96, 54,166.86 and 13,942.53

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Solution

The fourth proportional to 36,138.96, 54,166.86 and 13,942.53 is: 20,897.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,138.96 : 54,166.86 = 13,942.53 : x
  2. Step 2: Convert to fraction form
    36,138.96/54,166.86 = 13,942.53/x
  3. Step 3: Cross multiply
    36,138.96x = 54,166.86 × 13,942.53
  4. Step 4: Simplify right side
    36,138.96x = 755,223,070.56
  5. Step 5: Solve for x
    x = 755,223,070.56/36,138.96
  6. Step 6: Final answer
    x = 20,897.75

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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.