Home / 55,027.20-75,937.28-29,876.48

Finding the Fourth Proportional to 55,027.20, 75,937.28 and 29,876.48

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Solution

The fourth proportional to 55,027.20, 75,937.28 and 29,876.48 is: 41,229.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,027.20 : 75,937.28 = 29,876.48 : x
  2. Step 2: Convert to fraction form
    55,027.20/75,937.28 = 29,876.48/x
  3. Step 3: Cross multiply
    55,027.20x = 75,937.28 × 29,876.48
  4. Step 4: Simplify right side
    55,027.20x = 2,268,738,627.17
  5. Step 5: Solve for x
    x = 2,268,738,627.17/55,027.20
  6. Step 6: Final answer
    x = 41,229.40

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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.