Home / 33,154.92-49,717.80-13,428.18

Finding the Fourth Proportional to 33,154.92, 49,717.80 and 13,428.18

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Solution

The fourth proportional to 33,154.92, 49,717.80 and 13,428.18 is: 20,136.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,154.92 : 49,717.80 = 13,428.18 : x
  2. Step 2: Convert to fraction form
    33,154.92/49,717.80 = 13,428.18/x
  3. Step 3: Cross multiply
    33,154.92x = 49,717.80 × 13,428.18
  4. Step 4: Simplify right side
    33,154.92x = 667,619,567.60
  5. Step 5: Solve for x
    x = 667,619,567.60/33,154.92
  6. Step 6: Final answer
    x = 20,136.36

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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.