Home / 39,983.28-55,174.59-22,077.84

Finding the Fourth Proportional to 39,983.28, 55,174.59 and 22,077.84

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Solution

The fourth proportional to 39,983.28, 55,174.59 and 22,077.84 is: 30,466.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,983.28 : 55,174.59 = 22,077.84 : x
  2. Step 2: Convert to fraction form
    39,983.28/55,174.59 = 22,077.84/x
  3. Step 3: Cross multiply
    39,983.28x = 55,174.59 × 22,077.84
  4. Step 4: Simplify right side
    39,983.28x = 1,218,135,770.09
  5. Step 5: Solve for x
    x = 1,218,135,770.09/39,983.28
  6. Step 6: Final answer
    x = 30,466.13

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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.