Home / 36,004.61-49,685.94-19,872.05

Finding the Fourth Proportional to 36,004.61, 49,685.94 and 19,872.05

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Solution

The fourth proportional to 36,004.61, 49,685.94 and 19,872.05 is: 27,423.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,004.61 : 49,685.94 = 19,872.05 : x
  2. Step 2: Convert to fraction form
    36,004.61/49,685.94 = 19,872.05/x
  3. Step 3: Cross multiply
    36,004.61x = 49,685.94 × 19,872.05
  4. Step 4: Simplify right side
    36,004.61x = 987,361,235.55
  5. Step 5: Solve for x
    x = 987,361,235.55/36,004.61
  6. Step 6: Final answer
    x = 27,423.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.