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Finding the Fourth Proportional to 29,710.71, 44,540.66 and 10,987.26

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Solution

The fourth proportional to 29,710.71, 44,540.66 and 10,987.26 is: 16,471.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,710.71 : 44,540.66 = 10,987.26 : x
  2. Step 2: Convert to fraction form
    29,710.71/44,540.66 = 10,987.26/x
  3. Step 3: Cross multiply
    29,710.71x = 44,540.66 × 10,987.26
  4. Step 4: Simplify right side
    29,710.71x = 489,379,672.43
  5. Step 5: Solve for x
    x = 489,379,672.43/29,710.71
  6. Step 6: Final answer
    x = 16,471.49

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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.