Home / 49,899.11-74,872.01-21,815.52

Finding the Fourth Proportional to 49,899.11, 74,872.01 and 21,815.52

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Solution

The fourth proportional to 49,899.11, 74,872.01 and 21,815.52 is: 32,733.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,899.11 : 74,872.01 = 21,815.52 : x
  2. Step 2: Convert to fraction form
    49,899.11/74,872.01 = 21,815.52/x
  3. Step 3: Cross multiply
    49,899.11x = 74,872.01 × 21,815.52
  4. Step 4: Simplify right side
    49,899.11x = 1,633,371,722.52
  5. Step 5: Solve for x
    x = 1,633,371,722.52/49,899.11
  6. Step 6: Final answer
    x = 32,733.49

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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.