Home / 29,019.26-43,532.03-12,381.05

Finding the Fourth Proportional to 29,019.26, 43,532.03 and 12,381.05

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Solution

The fourth proportional to 29,019.26, 43,532.03 and 12,381.05 is: 18,572.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,019.26 : 43,532.03 = 12,381.05 : x
  2. Step 2: Convert to fraction form
    29,019.26/43,532.03 = 12,381.05/x
  3. Step 3: Cross multiply
    29,019.26x = 43,532.03 × 12,381.05
  4. Step 4: Simplify right side
    29,019.26x = 538,972,178.13
  5. Step 5: Solve for x
    x = 538,972,178.13/29,019.26
  6. Step 6: Final answer
    x = 18,572.91

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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.