Home / 55,382.43-76,426.77-31,508.59

Finding the Fourth Proportional to 55,382.43, 76,426.77 and 31,508.59

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Solution

The fourth proportional to 55,382.43, 76,426.77 and 31,508.59 is: 43,481.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,382.43 : 76,426.77 = 31,508.59 : x
  2. Step 2: Convert to fraction form
    55,382.43/76,426.77 = 31,508.59/x
  3. Step 3: Cross multiply
    55,382.43x = 76,426.77 × 31,508.59
  4. Step 4: Simplify right side
    55,382.43x = 2,408,099,760.95
  5. Step 5: Solve for x
    x = 2,408,099,760.95/55,382.43
  6. Step 6: Final answer
    x = 43,481.29

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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.