Home / 33,307.20-49,948.65-11,121.30

Finding the Fourth Proportional to 33,307.20, 49,948.65 and 11,121.30

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Solution

The fourth proportional to 33,307.20, 49,948.65 and 11,121.30 is: 16,677.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,307.20 : 49,948.65 = 11,121.30 : x
  2. Step 2: Convert to fraction form
    33,307.20/49,948.65 = 11,121.30/x
  3. Step 3: Cross multiply
    33,307.20x = 49,948.65 × 11,121.30
  4. Step 4: Simplify right side
    33,307.20x = 555,493,921.25
  5. Step 5: Solve for x
    x = 555,493,921.25/33,307.20
  6. Step 6: Final answer
    x = 16,677.89

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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.