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Finding the Fourth Proportional to 45,673.65, 68,463.77 and 25,910.46

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Solution

The fourth proportional to 45,673.65, 68,463.77 and 25,910.46 is: 38,839.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,673.65 : 68,463.77 = 25,910.46 : x
  2. Step 2: Convert to fraction form
    45,673.65/68,463.77 = 25,910.46/x
  3. Step 3: Cross multiply
    45,673.65x = 68,463.77 × 25,910.46
  4. Step 4: Simplify right side
    45,673.65x = 1,773,927,644.48
  5. Step 5: Solve for x
    x = 1,773,927,644.48/45,673.65
  6. Step 6: Final answer
    x = 38,839.19

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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.