Home / 54,027.28-74,524.50-35,878.78

Finding the Fourth Proportional to 54,027.28, 74,524.50 and 35,878.78

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Solution

The fourth proportional to 54,027.28, 74,524.50 and 35,878.78 is: 49,490.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,027.28 : 74,524.50 = 35,878.78 : x
  2. Step 2: Convert to fraction form
    54,027.28/74,524.50 = 35,878.78/x
  3. Step 3: Cross multiply
    54,027.28x = 74,524.50 × 35,878.78
  4. Step 4: Simplify right side
    54,027.28x = 2,673,848,140.11
  5. Step 5: Solve for x
    x = 2,673,848,140.11/54,027.28
  6. Step 6: Final answer
    x = 49,490.70

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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.