Home / 33,120.26-49,680.42-13,398.98

Finding the Fourth Proportional to 33,120.26, 49,680.42 and 13,398.98

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Solution

The fourth proportional to 33,120.26, 49,680.42 and 13,398.98 is: 20,098.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,120.26 : 49,680.42 = 13,398.98 : x
  2. Step 2: Convert to fraction form
    33,120.26/49,680.42 = 13,398.98/x
  3. Step 3: Cross multiply
    33,120.26x = 49,680.42 × 13,398.98
  4. Step 4: Simplify right side
    33,120.26x = 665,666,886.98
  5. Step 5: Solve for x
    x = 665,666,886.98/33,120.26
  6. Step 6: Final answer
    x = 20,098.48

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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.