Home / 39,615.20-54,676.14-25,279.48

Finding the Fourth Proportional to 39,615.20, 54,676.14 and 25,279.48

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Solution

The fourth proportional to 39,615.20, 54,676.14 and 25,279.48 is: 34,890.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,615.20 : 54,676.14 = 25,279.48 : x
  2. Step 2: Convert to fraction form
    39,615.20/54,676.14 = 25,279.48/x
  3. Step 3: Cross multiply
    39,615.20x = 54,676.14 × 25,279.48
  4. Step 4: Simplify right side
    39,615.20x = 1,382,184,387.61
  5. Step 5: Solve for x
    x = 1,382,184,387.61/39,615.20
  6. Step 6: Final answer
    x = 34,890.25

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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.