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Finding the Fourth Proportional to 32,968.80, 49,401.32 and 25,490.62

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Solution

The fourth proportional to 32,968.80, 49,401.32 and 25,490.62 is: 38,195.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,968.80 : 49,401.32 = 25,490.62 : x
  2. Step 2: Convert to fraction form
    32,968.80/49,401.32 = 25,490.62/x
  3. Step 3: Cross multiply
    32,968.80x = 49,401.32 × 25,490.62
  4. Step 4: Simplify right side
    32,968.80x = 1,259,270,275.62
  5. Step 5: Solve for x
    x = 1,259,270,275.62/32,968.80
  6. Step 6: Final answer
    x = 38,195.82

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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.