Home / 36,778.60-55,162.42-13,399.57

Finding the Fourth Proportional to 36,778.60, 55,162.42 and 13,399.57

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Solution

The fourth proportional to 36,778.60, 55,162.42 and 13,399.57 is: 20,097.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,778.60 : 55,162.42 = 13,399.57 : x
  2. Step 2: Convert to fraction form
    36,778.60/55,162.42 = 13,399.57/x
  3. Step 3: Cross multiply
    36,778.60x = 55,162.42 × 13,399.57
  4. Step 4: Simplify right side
    36,778.60x = 739,152,708.16
  5. Step 5: Solve for x
    x = 739,152,708.16/36,778.60
  6. Step 6: Final answer
    x = 20,097.36

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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.