Home / 36,310.42-54,463.74-21,325.78

Finding the Fourth Proportional to 36,310.42, 54,463.74 and 21,325.78

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Solution

The fourth proportional to 36,310.42, 54,463.74 and 21,325.78 is: 31,987.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,310.42 : 54,463.74 = 21,325.78 : x
  2. Step 2: Convert to fraction form
    36,310.42/54,463.74 = 21,325.78/x
  3. Step 3: Cross multiply
    36,310.42x = 54,463.74 × 21,325.78
  4. Step 4: Simplify right side
    36,310.42x = 1,161,481,737.22
  5. Step 5: Solve for x
    x = 1,161,481,737.22/36,310.42
  6. Step 6: Final answer
    x = 31,987.56

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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.