Home / 33,139.06-49,708.59-12,080.68

Finding the Fourth Proportional to 33,139.06, 49,708.59 and 12,080.68

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Solution

The fourth proportional to 33,139.06, 49,708.59 and 12,080.68 is: 18,121.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,139.06 : 49,708.59 = 12,080.68 : x
  2. Step 2: Convert to fraction form
    33,139.06/49,708.59 = 12,080.68/x
  3. Step 3: Cross multiply
    33,139.06x = 49,708.59 × 12,080.68
  4. Step 4: Simplify right side
    33,139.06x = 600,513,569.04
  5. Step 5: Solve for x
    x = 600,513,569.04/33,139.06
  6. Step 6: Final answer
    x = 18,121.02

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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.