Home / 39,879.44-54,988.68-25,520.48

Finding the Fourth Proportional to 39,879.44, 54,988.68 and 25,520.48

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Solution

The fourth proportional to 39,879.44, 54,988.68 and 25,520.48 is: 35,189.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,879.44 : 54,988.68 = 25,520.48 : x
  2. Step 2: Convert to fraction form
    39,879.44/54,988.68 = 25,520.48/x
  3. Step 3: Cross multiply
    39,879.44x = 54,988.68 × 25,520.48
  4. Step 4: Simplify right side
    39,879.44x = 1,403,337,508.17
  5. Step 5: Solve for x
    x = 1,403,337,508.17/39,879.44
  6. Step 6: Final answer
    x = 35,189.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.