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Finding the Fourth Proportional to 29,791.32, 44,693.12 and 8,732.05

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Solution

The fourth proportional to 29,791.32, 44,693.12 and 8,732.05 is: 13,099.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,791.32 : 44,693.12 = 8,732.05 : x
  2. Step 2: Convert to fraction form
    29,791.32/44,693.12 = 8,732.05/x
  3. Step 3: Cross multiply
    29,791.32x = 44,693.12 × 8,732.05
  4. Step 4: Simplify right side
    29,791.32x = 390,262,558.50
  5. Step 5: Solve for x
    x = 390,262,558.50/29,791.32
  6. Step 6: Final answer
    x = 13,099.87

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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.