Home / 29,118.62-43,664.16-13,319.03

Finding the Fourth Proportional to 29,118.62, 43,664.16 and 13,319.03

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Solution

The fourth proportional to 29,118.62, 43,664.16 and 13,319.03 is: 19,972.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,118.62 : 43,664.16 = 13,319.03 : x
  2. Step 2: Convert to fraction form
    29,118.62/43,664.16 = 13,319.03/x
  3. Step 3: Cross multiply
    29,118.62x = 43,664.16 × 13,319.03
  4. Step 4: Simplify right side
    29,118.62x = 581,564,256.96
  5. Step 5: Solve for x
    x = 581,564,256.96/29,118.62
  6. Step 6: Final answer
    x = 19,972.25

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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.