Home / 36,253.26-54,384.39-12,879.90

Finding the Fourth Proportional to 36,253.26, 54,384.39 and 12,879.90

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Solution

The fourth proportional to 36,253.26, 54,384.39 and 12,879.90 is: 19,321.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,253.26 : 54,384.39 = 12,879.90 : x
  2. Step 2: Convert to fraction form
    36,253.26/54,384.39 = 12,879.90/x
  3. Step 3: Cross multiply
    36,253.26x = 54,384.39 × 12,879.90
  4. Step 4: Simplify right side
    36,253.26x = 700,465,504.76
  5. Step 5: Solve for x
    x = 700,465,504.76/36,253.26
  6. Step 6: Final answer
    x = 19,321.45

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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.