Home / 39,353.70-54,309.15-22,357.38

Finding the Fourth Proportional to 39,353.70, 54,309.15 and 22,357.38

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Solution

The fourth proportional to 39,353.70, 54,309.15 and 22,357.38 is: 30,853.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,353.70 : 54,309.15 = 22,357.38 : x
  2. Step 2: Convert to fraction form
    39,353.70/54,309.15 = 22,357.38/x
  3. Step 3: Cross multiply
    39,353.70x = 54,309.15 × 22,357.38
  4. Step 4: Simplify right side
    39,353.70x = 1,214,210,304.03
  5. Step 5: Solve for x
    x = 1,214,210,304.03/39,353.70
  6. Step 6: Final answer
    x = 30,853.78

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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.