Home / 36,418.86-54,727.11-19,791.18

Finding the Fourth Proportional to 36,418.86, 54,727.11 and 19,791.18

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Solution

The fourth proportional to 36,418.86, 54,727.11 and 19,791.18 is: 29,740.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,418.86 : 54,727.11 = 19,791.18 : x
  2. Step 2: Convert to fraction form
    36,418.86/54,727.11 = 19,791.18/x
  3. Step 3: Cross multiply
    36,418.86x = 54,727.11 × 19,791.18
  4. Step 4: Simplify right side
    36,418.86x = 1,083,114,084.89
  5. Step 5: Solve for x
    x = 1,083,114,084.89/36,418.86
  6. Step 6: Final answer
    x = 29,740.47

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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.