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Finding the Fourth Proportional to 47,803.91, 71,715.42 and 26,773.88

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Solution

The fourth proportional to 47,803.91, 71,715.42 and 26,773.88 is: 40,166.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,803.91 : 71,715.42 = 26,773.88 : x
  2. Step 2: Convert to fraction form
    47,803.91/71,715.42 = 26,773.88/x
  3. Step 3: Cross multiply
    47,803.91x = 71,715.42 × 26,773.88
  4. Step 4: Simplify right side
    47,803.91x = 1,920,099,690.65
  5. Step 5: Solve for x
    x = 1,920,099,690.65/47,803.91
  6. Step 6: Final answer
    x = 40,166.17

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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.