Home / 49,872.33-74,808.49-21,403.11

Finding the Fourth Proportional to 49,872.33, 74,808.49 and 21,403.11

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Solution

The fourth proportional to 49,872.33, 74,808.49 and 21,403.11 is: 32,104.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,872.33 : 74,808.49 = 21,403.11 : x
  2. Step 2: Convert to fraction form
    49,872.33/74,808.49 = 21,403.11/x
  3. Step 3: Cross multiply
    49,872.33x = 74,808.49 × 21,403.11
  4. Step 4: Simplify right side
    49,872.33x = 1,601,134,233.39
  5. Step 5: Solve for x
    x = 1,601,134,233.39/49,872.33
  6. Step 6: Final answer
    x = 32,104.66

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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.