Home / 49,882.88-74,827.49-20,284.53

Finding the Fourth Proportional to 49,882.88, 74,827.49 and 20,284.53

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Solution

The fourth proportional to 49,882.88, 74,827.49 and 20,284.53 is: 30,428.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,882.88 : 74,827.49 = 20,284.53 : x
  2. Step 2: Convert to fraction form
    49,882.88/74,827.49 = 20,284.53/x
  3. Step 3: Cross multiply
    49,882.88x = 74,827.49 × 20,284.53
  4. Step 4: Simplify right side
    49,882.88x = 1,517,840,364.31
  5. Step 5: Solve for x
    x = 1,517,840,364.31/49,882.88
  6. Step 6: Final answer
    x = 30,428.09

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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.