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Finding the Fourth Proportional to 29,686.34, 44,532.42 and 8,626.56

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Solution

The fourth proportional to 29,686.34, 44,532.42 and 8,626.56 is: 12,940.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,686.34 : 44,532.42 = 8,626.56 : x
  2. Step 2: Convert to fraction form
    29,686.34/44,532.42 = 8,626.56/x
  3. Step 3: Cross multiply
    29,686.34x = 44,532.42 × 8,626.56
  4. Step 4: Simplify right side
    29,686.34x = 384,161,625.42
  5. Step 5: Solve for x
    x = 384,161,625.42/29,686.34
  6. Step 6: Final answer
    x = 12,940.69

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1.5x scale

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.