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Finding the Fourth Proportional to 45,767.49, 63,152.49 and 25,620.66

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Solution

The fourth proportional to 45,767.49, 63,152.49 and 25,620.66 is: 35,352.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,767.49 : 63,152.49 = 25,620.66 : x
  2. Step 2: Convert to fraction form
    45,767.49/63,152.49 = 25,620.66/x
  3. Step 3: Cross multiply
    45,767.49x = 63,152.49 × 25,620.66
  4. Step 4: Simplify right side
    45,767.49x = 1,618,008,474.44
  5. Step 5: Solve for x
    x = 1,618,008,474.44/45,767.49
  6. Step 6: Final answer
    x = 35,352.79

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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.