Home / 33,320.76-49,981.16-13,608.60

Finding the Fourth Proportional to 33,320.76, 49,981.16 and 13,608.60

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Solution

The fourth proportional to 33,320.76, 49,981.16 and 13,608.60 is: 20,412.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,320.76 : 49,981.16 = 13,608.60 : x
  2. Step 2: Convert to fraction form
    33,320.76/49,981.16 = 13,608.60/x
  3. Step 3: Cross multiply
    33,320.76x = 49,981.16 × 13,608.60
  4. Step 4: Simplify right side
    33,320.76x = 680,173,613.98
  5. Step 5: Solve for x
    x = 680,173,613.98/33,320.76
  6. Step 6: Final answer
    x = 20,412.91

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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.