Home / 49,877.88-74,773.02-20,320.58

Finding the Fourth Proportional to 49,877.88, 74,773.02 and 20,320.58

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Solution

The fourth proportional to 49,877.88, 74,773.02 and 20,320.58 is: 30,463.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,877.88 : 74,773.02 = 20,320.58 : x
  2. Step 2: Convert to fraction form
    49,877.88/74,773.02 = 20,320.58/x
  3. Step 3: Cross multiply
    49,877.88x = 74,773.02 × 20,320.58
  4. Step 4: Simplify right side
    49,877.88x = 1,519,431,134.75
  5. Step 5: Solve for x
    x = 1,519,431,134.75/49,877.88
  6. Step 6: Final answer
    x = 30,463.03

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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.