Home / 36,515.86-54,773.38-19,872.11

Finding the Fourth Proportional to 36,515.86, 54,773.38 and 19,872.11

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Solution

The fourth proportional to 36,515.86, 54,773.38 and 19,872.11 is: 29,807.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,515.86 : 54,773.38 = 19,872.11 : x
  2. Step 2: Convert to fraction form
    36,515.86/54,773.38 = 19,872.11/x
  3. Step 3: Cross multiply
    36,515.86x = 54,773.38 × 19,872.11
  4. Step 4: Simplify right side
    36,515.86x = 1,088,462,794.21
  5. Step 5: Solve for x
    x = 1,088,462,794.21/36,515.86
  6. Step 6: Final answer
    x = 29,807.95

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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.