Home / 56,917.96-85,386.96-19,469.24

Finding the Fourth Proportional to 56,917.96, 85,386.96 and 19,469.24

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Solution

The fourth proportional to 56,917.96, 85,386.96 and 19,469.24 is: 29,207.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,917.96 : 85,386.96 = 19,469.24 : x
  2. Step 2: Convert to fraction form
    56,917.96/85,386.96 = 19,469.24/x
  3. Step 3: Cross multiply
    56,917.96x = 85,386.96 × 19,469.24
  4. Step 4: Simplify right side
    56,917.96x = 1,662,419,217.11
  5. Step 5: Solve for x
    x = 1,662,419,217.11/56,917.96
  6. Step 6: Final answer
    x = 29,207.29

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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.