Home / 36,749.12-55,123.47-13,375.56

Finding the Fourth Proportional to 36,749.12, 55,123.47 and 13,375.56

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Solution

The fourth proportional to 36,749.12, 55,123.47 and 13,375.56 is: 20,063.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,749.12 : 55,123.47 = 13,375.56 : x
  2. Step 2: Convert to fraction form
    36,749.12/55,123.47 = 13,375.56/x
  3. Step 3: Cross multiply
    36,749.12x = 55,123.47 × 13,375.56
  4. Step 4: Simplify right side
    36,749.12x = 737,307,073.68
  5. Step 5: Solve for x
    x = 737,307,073.68/36,749.12
  6. Step 6: Final answer
    x = 20,063.26

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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.