Home / 36,327.42-54,489.62-12,640.39

Finding the Fourth Proportional to 36,327.42, 54,489.62 and 12,640.39

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Solution

The fourth proportional to 36,327.42, 54,489.62 and 12,640.39 is: 18,960.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,327.42 : 54,489.62 = 12,640.39 : x
  2. Step 2: Convert to fraction form
    36,327.42/54,489.62 = 12,640.39/x
  3. Step 3: Cross multiply
    36,327.42x = 54,489.62 × 12,640.39
  4. Step 4: Simplify right side
    36,327.42x = 688,769,943.13
  5. Step 5: Solve for x
    x = 688,769,943.13/36,327.42
  6. Step 6: Final answer
    x = 18,960.06

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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.