Home / 29,919.10-41,259.58-19,691.86

Finding the Fourth Proportional to 29,919.10, 41,259.58 and 19,691.86

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Solution

The fourth proportional to 29,919.10, 41,259.58 and 19,691.86 is: 27,155.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,919.10 : 41,259.58 = 19,691.86 : x
  2. Step 2: Convert to fraction form
    29,919.10/41,259.58 = 19,691.86/x
  3. Step 3: Cross multiply
    29,919.10x = 41,259.58 × 19,691.86
  4. Step 4: Simplify right side
    29,919.10x = 812,477,873.02
  5. Step 5: Solve for x
    x = 812,477,873.02/29,919.10
  6. Step 6: Final answer
    x = 27,155.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.