Home / 33,340.23-50,010.38-13,618.78

Finding the Fourth Proportional to 33,340.23, 50,010.38 and 13,618.78

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Solution

The fourth proportional to 33,340.23, 50,010.38 and 13,618.78 is: 20,428.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,340.23 : 50,010.38 = 13,618.78 : x
  2. Step 2: Convert to fraction form
    33,340.23/50,010.38 = 13,618.78/x
  3. Step 3: Cross multiply
    33,340.23x = 50,010.38 × 13,618.78
  4. Step 4: Simplify right side
    33,340.23x = 681,080,362.94
  5. Step 5: Solve for x
    x = 681,080,362.94/33,340.23
  6. Step 6: Final answer
    x = 20,428.18

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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.