Home / 29,110.40-43,623.78-12,465.91

Finding the Fourth Proportional to 29,110.40, 43,623.78 and 12,465.91

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Solution

The fourth proportional to 29,110.40, 43,623.78 and 12,465.91 is: 18,680.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,110.40 : 43,623.78 = 12,465.91 : x
  2. Step 2: Convert to fraction form
    29,110.40/43,623.78 = 12,465.91/x
  3. Step 3: Cross multiply
    29,110.40x = 43,623.78 × 12,465.91
  4. Step 4: Simplify right side
    29,110.40x = 543,810,115.34
  5. Step 5: Solve for x
    x = 543,810,115.34/29,110.40
  6. Step 6: Final answer
    x = 18,680.96

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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.