Home / 49,877.64-74,816.55-39,945.56

Finding the Fourth Proportional to 49,877.64, 74,816.55 and 39,945.56

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Solution

The fourth proportional to 49,877.64, 74,816.55 and 39,945.56 is: 59,918.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,877.64 : 74,816.55 = 39,945.56 : x
  2. Step 2: Convert to fraction form
    49,877.64/74,816.55 = 39,945.56/x
  3. Step 3: Cross multiply
    49,877.64x = 74,816.55 × 39,945.56
  4. Step 4: Simplify right side
    49,877.64x = 2,988,589,108.68
  5. Step 5: Solve for x
    x = 2,988,589,108.68/49,877.64
  6. Step 6: Final answer
    x = 59,918.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.