Home / 55,348.20-76,400.22-32,687.28

Finding the Fourth Proportional to 55,348.20, 76,400.22 and 32,687.28

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Solution

The fourth proportional to 55,348.20, 76,400.22 and 32,687.28 is: 45,120.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,348.20 : 76,400.22 = 32,687.28 : x
  2. Step 2: Convert to fraction form
    55,348.20/76,400.22 = 32,687.28/x
  3. Step 3: Cross multiply
    55,348.20x = 76,400.22 × 32,687.28
  4. Step 4: Simplify right side
    55,348.20x = 2,497,315,383.20
  5. Step 5: Solve for x
    x = 2,497,315,383.20/55,348.20
  6. Step 6: Final answer
    x = 45,120.08

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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.