Home / 33,302.31-49,972.35-12,239.61

Finding the Fourth Proportional to 33,302.31, 49,972.35 and 12,239.61

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Solution

The fourth proportional to 33,302.31, 49,972.35 and 12,239.61 is: 18,366.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,302.31 : 49,972.35 = 12,239.61 : x
  2. Step 2: Convert to fraction form
    33,302.31/49,972.35 = 12,239.61/x
  3. Step 3: Cross multiply
    33,302.31x = 49,972.35 × 12,239.61
  4. Step 4: Simplify right side
    33,302.31x = 611,642,074.78
  5. Step 5: Solve for x
    x = 611,642,074.78/33,302.31
  6. Step 6: Final answer
    x = 18,366.36

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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.