Home / 36,283.25-54,424.88-12,909.76

Finding the Fourth Proportional to 36,283.25, 54,424.88 and 12,909.76

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Solution

The fourth proportional to 36,283.25, 54,424.88 and 12,909.76 is: 19,364.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,283.25 : 54,424.88 = 12,909.76 : x
  2. Step 2: Convert to fraction form
    36,283.25/54,424.88 = 12,909.76/x
  3. Step 3: Cross multiply
    36,283.25x = 54,424.88 × 12,909.76
  4. Step 4: Simplify right side
    36,283.25x = 702,612,138.83
  5. Step 5: Solve for x
    x = 702,612,138.83/36,283.25
  6. Step 6: Final answer
    x = 19,364.64

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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.