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Finding the Fourth Proportional to 34,408.64, 51,612.90 and 22,719.08

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Solution

The fourth proportional to 34,408.64, 51,612.90 and 22,719.08 is: 34,078.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,408.64 : 51,612.90 = 22,719.08 : x
  2. Step 2: Convert to fraction form
    34,408.64/51,612.90 = 22,719.08/x
  3. Step 3: Cross multiply
    34,408.64x = 51,612.90 × 22,719.08
  4. Step 4: Simplify right side
    34,408.64x = 1,172,597,604.13
  5. Step 5: Solve for x
    x = 1,172,597,604.13/34,408.64
  6. Step 6: Final answer
    x = 34,078.58

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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.