Home / 33,172.20-49,715.10-15,400.80

Finding the Fourth Proportional to 33,172.20, 49,715.10 and 15,400.80

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Solution

The fourth proportional to 33,172.20, 49,715.10 and 15,400.80 is: 23,081.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,172.20 : 49,715.10 = 15,400.80 : x
  2. Step 2: Convert to fraction form
    33,172.20/49,715.10 = 15,400.80/x
  3. Step 3: Cross multiply
    33,172.20x = 49,715.10 × 15,400.80
  4. Step 4: Simplify right side
    33,172.20x = 765,652,312.08
  5. Step 5: Solve for x
    x = 765,652,312.08/33,172.20
  6. Step 6: Final answer
    x = 23,081.14

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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.