Home / 36,282.75-54,424.13-12,909.26

Finding the Fourth Proportional to 36,282.75, 54,424.13 and 12,909.26

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Solution

The fourth proportional to 36,282.75, 54,424.13 and 12,909.26 is: 19,363.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,282.75 : 54,424.13 = 12,909.26 : x
  2. Step 2: Convert to fraction form
    36,282.75/54,424.13 = 12,909.26/x
  3. Step 3: Cross multiply
    36,282.75x = 54,424.13 × 12,909.26
  4. Step 4: Simplify right side
    36,282.75x = 702,574,907.78
  5. Step 5: Solve for x
    x = 702,574,907.78/36,282.75
  6. Step 6: Final answer
    x = 19,363.88

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.