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Finding the Fourth Proportional to 36,273.68, 54,377.68 and 12,894.65

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Solution

The fourth proportional to 36,273.68, 54,377.68 and 12,894.65 is: 19,330.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,273.68 : 54,377.68 = 12,894.65 : x
  2. Step 2: Convert to fraction form
    36,273.68/54,377.68 = 12,894.65/x
  3. Step 3: Cross multiply
    36,273.68x = 54,377.68 × 12,894.65
  4. Step 4: Simplify right side
    36,273.68x = 701,181,151.41
  5. Step 5: Solve for x
    x = 701,181,151.41/36,273.68
  6. Step 6: Final answer
    x = 19,330.30

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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.