Home / 29,169.20-43,775.40-19,305.20

Finding the Fourth Proportional to 29,169.20, 43,775.40 and 19,305.20

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Solution

The fourth proportional to 29,169.20, 43,775.40 and 19,305.20 is: 28,972.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,169.20 : 43,775.40 = 19,305.20 : x
  2. Step 2: Convert to fraction form
    29,169.20/43,775.40 = 19,305.20/x
  3. Step 3: Cross multiply
    29,169.20x = 43,775.40 × 19,305.20
  4. Step 4: Simplify right side
    29,169.20x = 845,092,852.08
  5. Step 5: Solve for x
    x = 845,092,852.08/29,169.20
  6. Step 6: Final answer
    x = 28,972.10

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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.