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Finding the Fourth Proportional to 29,561.48, 44,344.62 and 8,785

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Solution

The fourth proportional to 29,561.48, 44,344.62 and 8,785 is: 13,178.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,561.48 : 44,344.62 = 8,785 : x
  2. Step 2: Convert to fraction form
    29,561.48/44,344.62 = 8,785/x
  3. Step 3: Cross multiply
    29,561.48x = 44,344.62 × 8,785
  4. Step 4: Simplify right side
    29,561.48x = 389,567,486.70
  5. Step 5: Solve for x
    x = 389,567,486.70/29,561.48
  6. Step 6: Final answer
    x = 13,178.21

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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.