Home / 55,026.28-75,936.42-29,876.20

Finding the Fourth Proportional to 55,026.28, 75,936.42 and 29,876.20

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Solution

The fourth proportional to 55,026.28, 75,936.42 and 29,876.20 is: 41,229.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,026.28 : 75,936.42 = 29,876.20 : x
  2. Step 2: Convert to fraction form
    55,026.28/75,936.42 = 29,876.20/x
  3. Step 3: Cross multiply
    55,026.28x = 75,936.42 × 29,876.20
  4. Step 4: Simplify right side
    55,026.28x = 2,268,691,671.20
  5. Step 5: Solve for x
    x = 2,268,691,671.20/55,026.28
  6. Step 6: Final answer
    x = 41,229.24

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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.