Home / 39,234.84-54,142.94-22,240.65

Finding the Fourth Proportional to 39,234.84, 54,142.94 and 22,240.65

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Solution

The fourth proportional to 39,234.84, 54,142.94 and 22,240.65 is: 30,691.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,234.84 : 54,142.94 = 22,240.65 : x
  2. Step 2: Convert to fraction form
    39,234.84/54,142.94 = 22,240.65/x
  3. Step 3: Cross multiply
    39,234.84x = 54,142.94 × 22,240.65
  4. Step 4: Simplify right side
    39,234.84x = 1,204,174,316.15
  5. Step 5: Solve for x
    x = 1,204,174,316.15/39,234.84
  6. Step 6: Final answer
    x = 30,691.46

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Half scale
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Double scale
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Similar ratio
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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.