Home / 39,939.84-55,117.16-22,034.85

Finding the Fourth Proportional to 39,939.84, 55,117.16 and 22,034.85

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Solution

The fourth proportional to 39,939.84, 55,117.16 and 22,034.85 is: 30,408.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,939.84 : 55,117.16 = 22,034.85 : x
  2. Step 2: Convert to fraction form
    39,939.84/55,117.16 = 22,034.85/x
  3. Step 3: Cross multiply
    39,939.84x = 55,117.16 × 22,034.85
  4. Step 4: Simplify right side
    39,939.84x = 1,214,498,353.03
  5. Step 5: Solve for x
    x = 1,214,498,353.03/39,939.84
  6. Step 6: Final answer
    x = 30,408.19

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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.