Home / 54,939.70-81,947.68-49,894.39

Finding the Fourth Proportional to 54,939.70, 81,947.68 and 49,894.39

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Solution

The fourth proportional to 54,939.70, 81,947.68 and 49,894.39 is: 74,422.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,939.70 : 81,947.68 = 49,894.39 : x
  2. Step 2: Convert to fraction form
    54,939.70/81,947.68 = 49,894.39/x
  3. Step 3: Cross multiply
    54,939.70x = 81,947.68 × 49,894.39
  4. Step 4: Simplify right side
    54,939.70x = 4,088,729,505.52
  5. Step 5: Solve for x
    x = 4,088,729,505.52/54,939.70
  6. Step 6: Final answer
    x = 74,422.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.