Home / 36,089.26-54,121.64-13,900.79

Finding the Fourth Proportional to 36,089.26, 54,121.64 and 13,900.79

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Solution

The fourth proportional to 36,089.26, 54,121.64 and 13,900.79 is: 20,846.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,089.26 : 54,121.64 = 13,900.79 : x
  2. Step 2: Convert to fraction form
    36,089.26/54,121.64 = 13,900.79/x
  3. Step 3: Cross multiply
    36,089.26x = 54,121.64 × 13,900.79
  4. Step 4: Simplify right side
    36,089.26x = 752,333,617.90
  5. Step 5: Solve for x
    x = 752,333,617.90/36,089.26
  6. Step 6: Final answer
    x = 20,846.47

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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.