Home / 29,111.38-43,630.54-12,451.84

Finding the Fourth Proportional to 29,111.38, 43,630.54 and 12,451.84

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Solution

The fourth proportional to 29,111.38, 43,630.54 and 12,451.84 is: 18,662.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,111.38 : 43,630.54 = 12,451.84 : x
  2. Step 2: Convert to fraction form
    29,111.38/43,630.54 = 12,451.84/x
  3. Step 3: Cross multiply
    29,111.38x = 43,630.54 × 12,451.84
  4. Step 4: Simplify right side
    29,111.38x = 543,280,503.19
  5. Step 5: Solve for x
    x = 543,280,503.19/29,111.38
  6. Step 6: Final answer
    x = 18,662.13

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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.