Home / 36,327.41-54,489.63-12,640.38

Finding the Fourth Proportional to 36,327.41, 54,489.63 and 12,640.38

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Solution

The fourth proportional to 36,327.41, 54,489.63 and 12,640.38 is: 18,960.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,327.41 : 54,489.63 = 12,640.38 : x
  2. Step 2: Convert to fraction form
    36,327.41/54,489.63 = 12,640.38/x
  3. Step 3: Cross multiply
    36,327.41x = 54,489.63 × 12,640.38
  4. Step 4: Simplify right side
    36,327.41x = 688,769,472.32
  5. Step 5: Solve for x
    x = 688,769,472.32/36,327.41
  6. Step 6: Final answer
    x = 18,960.05

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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.