Home / 33,117.70-49,676.55-19,963.30

Finding the Fourth Proportional to 33,117.70, 49,676.55 and 19,963.30

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Solution

The fourth proportional to 33,117.70, 49,676.55 and 19,963.30 is: 29,944.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,117.70 : 49,676.55 = 19,963.30 : x
  2. Step 2: Convert to fraction form
    33,117.70/49,676.55 = 19,963.30/x
  3. Step 3: Cross multiply
    33,117.70x = 49,676.55 × 19,963.30
  4. Step 4: Simplify right side
    33,117.70x = 991,707,870.62
  5. Step 5: Solve for x
    x = 991,707,870.62/33,117.70
  6. Step 6: Final answer
    x = 29,944.95

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1.5x scale

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.