Home / 39,732.84-54,832.50-21,828.96

Finding the Fourth Proportional to 39,732.84, 54,832.50 and 21,828.96

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Solution

The fourth proportional to 39,732.84, 54,832.50 and 21,828.96 is: 30,124.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,732.84 : 54,832.50 = 21,828.96 : x
  2. Step 2: Convert to fraction form
    39,732.84/54,832.50 = 21,828.96/x
  3. Step 3: Cross multiply
    39,732.84x = 54,832.50 × 21,828.96
  4. Step 4: Simplify right side
    39,732.84x = 1,196,936,449.20
  5. Step 5: Solve for x
    x = 1,196,936,449.20/39,732.84
  6. Step 6: Final answer
    x = 30,124.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.