Home / 33,439.76-50,159.13-8,139.51

Finding the Fourth Proportional to 33,439.76, 50,159.13 and 8,139.51

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Solution

The fourth proportional to 33,439.76, 50,159.13 and 8,139.51 is: 12,209.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,439.76 : 50,159.13 = 8,139.51 : x
  2. Step 2: Convert to fraction form
    33,439.76/50,159.13 = 8,139.51/x
  3. Step 3: Cross multiply
    33,439.76x = 50,159.13 × 8,139.51
  4. Step 4: Simplify right side
    33,439.76x = 408,270,740.23
  5. Step 5: Solve for x
    x = 408,270,740.23/33,439.76
  6. Step 6: Final answer
    x = 12,209.14

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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.