Home / 39,229.46-54,135.32-22,459.22

Finding the Fourth Proportional to 39,229.46, 54,135.32 and 22,459.22

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Solution

The fourth proportional to 39,229.46, 54,135.32 and 22,459.22 is: 30,992.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,229.46 : 54,135.32 = 22,459.22 : x
  2. Step 2: Convert to fraction form
    39,229.46/54,135.32 = 22,459.22/x
  3. Step 3: Cross multiply
    39,229.46x = 54,135.32 × 22,459.22
  4. Step 4: Simplify right side
    39,229.46x = 1,215,837,061.65
  5. Step 5: Solve for x
    x = 1,215,837,061.65/39,229.46
  6. Step 6: Final answer
    x = 30,992.96

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Half scale
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Double scale
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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.