Home / 33,110.80-49,655.64-10,920.04

Finding the Fourth Proportional to 33,110.80, 49,655.64 and 10,920.04

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Solution

The fourth proportional to 33,110.80, 49,655.64 and 10,920.04 is: 16,376.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,110.80 : 49,655.64 = 10,920.04 : x
  2. Step 2: Convert to fraction form
    33,110.80/49,655.64 = 10,920.04/x
  3. Step 3: Cross multiply
    33,110.80x = 49,655.64 × 10,920.04
  4. Step 4: Simplify right side
    33,110.80x = 542,241,575.03
  5. Step 5: Solve for x
    x = 542,241,575.03/33,110.80
  6. Step 6: Final answer
    x = 16,376.58

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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.