Home / 39,983.19-55,175.46-22,077.12

Finding the Fourth Proportional to 39,983.19, 55,175.46 and 22,077.12

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Solution

The fourth proportional to 39,983.19, 55,175.46 and 22,077.12 is: 30,465.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,983.19 : 55,175.46 = 22,077.12 : x
  2. Step 2: Convert to fraction form
    39,983.19/55,175.46 = 22,077.12/x
  3. Step 3: Cross multiply
    39,983.19x = 55,175.46 × 22,077.12
  4. Step 4: Simplify right side
    39,983.19x = 1,218,115,251.48
  5. Step 5: Solve for x
    x = 1,218,115,251.48/39,983.19
  6. Step 6: Final answer
    x = 30,465.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.