Home / 36,118.97-54,167.41-12,739.94

Finding the Fourth Proportional to 36,118.97, 54,167.41 and 12,739.94

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Solution

The fourth proportional to 36,118.97, 54,167.41 and 12,739.94 is: 19,106.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,118.97 : 54,167.41 = 12,739.94 : x
  2. Step 2: Convert to fraction form
    36,118.97/54,167.41 = 12,739.94/x
  3. Step 3: Cross multiply
    36,118.97x = 54,167.41 × 12,739.94
  4. Step 4: Simplify right side
    36,118.97x = 690,089,553.36
  5. Step 5: Solve for x
    x = 690,089,553.36/36,118.97
  6. Step 6: Final answer
    x = 19,106.01

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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.