Home / 36,399.28-54,601.41-12,373.80

Finding the Fourth Proportional to 36,399.28, 54,601.41 and 12,373.80

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Solution

The fourth proportional to 36,399.28, 54,601.41 and 12,373.80 is: 18,561.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,399.28 : 54,601.41 = 12,373.80 : x
  2. Step 2: Convert to fraction form
    36,399.28/54,601.41 = 12,373.80/x
  3. Step 3: Cross multiply
    36,399.28x = 54,601.41 × 12,373.80
  4. Step 4: Simplify right side
    36,399.28x = 675,627,032.63
  5. Step 5: Solve for x
    x = 675,627,032.63/36,399.28
  6. Step 6: Final answer
    x = 18,561.55

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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.