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Finding the Fourth Proportional to 29,338.92, 43,977.06 and 9,612.18

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Solution

The fourth proportional to 29,338.92, 43,977.06 and 9,612.18 is: 14,408.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,338.92 : 43,977.06 = 9,612.18 : x
  2. Step 2: Convert to fraction form
    29,338.92/43,977.06 = 9,612.18/x
  3. Step 3: Cross multiply
    29,338.92x = 43,977.06 × 9,612.18
  4. Step 4: Simplify right side
    29,338.92x = 422,715,416.59
  5. Step 5: Solve for x
    x = 422,715,416.59/29,338.92
  6. Step 6: Final answer
    x = 14,408.01

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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.