Home / 33,115.68-49,638.96-13,386.24

Finding the Fourth Proportional to 33,115.68, 49,638.96 and 13,386.24

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Solution

The fourth proportional to 33,115.68, 49,638.96 and 13,386.24 is: 20,065.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,115.68 : 49,638.96 = 13,386.24 : x
  2. Step 2: Convert to fraction form
    33,115.68/49,638.96 = 13,386.24/x
  3. Step 3: Cross multiply
    33,115.68x = 49,638.96 × 13,386.24
  4. Step 4: Simplify right side
    33,115.68x = 664,479,031.91
  5. Step 5: Solve for x
    x = 664,479,031.91/33,115.68
  6. Step 6: Final answer
    x = 20,065.39

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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.