Home / 39,755.19-54,910.26-28,983

Finding the Fourth Proportional to 39,755.19, 54,910.26 and 28,983

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Solution

The fourth proportional to 39,755.19, 54,910.26 and 28,983 is: 40,031.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,755.19 : 54,910.26 = 28,983 : x
  2. Step 2: Convert to fraction form
    39,755.19/54,910.26 = 28,983/x
  3. Step 3: Cross multiply
    39,755.19x = 54,910.26 × 28,983
  4. Step 4: Simplify right side
    39,755.19x = 1,591,464,065.58
  5. Step 5: Solve for x
    x = 1,591,464,065.58/39,755.19
  6. Step 6: Final answer
    x = 40,031.61

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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.