Home / 52,746.18-79,110.73-19,481.91

Finding the Fourth Proportional to 52,746.18, 79,110.73 and 19,481.91

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Solution

The fourth proportional to 52,746.18, 79,110.73 and 19,481.91 is: 29,219.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,746.18 : 79,110.73 = 19,481.91 : x
  2. Step 2: Convert to fraction form
    52,746.18/79,110.73 = 19,481.91/x
  3. Step 3: Cross multiply
    52,746.18x = 79,110.73 × 19,481.91
  4. Step 4: Simplify right side
    52,746.18x = 1,541,228,121.89
  5. Step 5: Solve for x
    x = 1,541,228,121.89/52,746.18
  6. Step 6: Final answer
    x = 29,219.71

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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.