Home / 49,234.80-73,838.61-21,153.72

Finding the Fourth Proportional to 49,234.80, 73,838.61 and 21,153.72

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Solution

The fourth proportional to 49,234.80, 73,838.61 and 21,153.72 is: 31,724.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,234.80 : 73,838.61 = 21,153.72 : x
  2. Step 2: Convert to fraction form
    49,234.80/73,838.61 = 21,153.72/x
  3. Step 3: Cross multiply
    49,234.80x = 73,838.61 × 21,153.72
  4. Step 4: Simplify right side
    49,234.80x = 1,561,961,281.13
  5. Step 5: Solve for x
    x = 1,561,961,281.13/49,234.80
  6. Step 6: Final answer
    x = 31,724.74

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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.