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Finding the Fourth Proportional to 56,566.44, 78,057.12 and 32,694.66

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Solution

The fourth proportional to 56,566.44, 78,057.12 and 32,694.66 is: 45,115.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,566.44 : 78,057.12 = 32,694.66 : x
  2. Step 2: Convert to fraction form
    56,566.44/78,057.12 = 32,694.66/x
  3. Step 3: Cross multiply
    56,566.44x = 78,057.12 × 32,694.66
  4. Step 4: Simplify right side
    56,566.44x = 2,552,050,998.98
  5. Step 5: Solve for x
    x = 2,552,050,998.98/56,566.44
  6. Step 6: Final answer
    x = 45,115.99

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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.