Home / 36,117.72-54,185.79-13,925.13

Finding the Fourth Proportional to 36,117.72, 54,185.79 and 13,925.13

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Solution

The fourth proportional to 36,117.72, 54,185.79 and 13,925.13 is: 20,891.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,117.72 : 54,185.79 = 13,925.13 : x
  2. Step 2: Convert to fraction form
    36,117.72/54,185.79 = 13,925.13/x
  3. Step 3: Cross multiply
    36,117.72x = 54,185.79 × 13,925.13
  4. Step 4: Simplify right side
    36,117.72x = 754,544,169.90
  5. Step 5: Solve for x
    x = 754,544,169.90/36,117.72
  6. Step 6: Final answer
    x = 20,891.25

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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.