Home / 58,229.40-87,362.56-20,788.66

Finding the Fourth Proportional to 58,229.40, 87,362.56 and 20,788.66

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Solution

The fourth proportional to 58,229.40, 87,362.56 and 20,788.66 is: 31,189.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,229.40 : 87,362.56 = 20,788.66 : x
  2. Step 2: Convert to fraction form
    58,229.40/87,362.56 = 20,788.66/x
  3. Step 3: Cross multiply
    58,229.40x = 87,362.56 × 20,788.66
  4. Step 4: Simplify right side
    58,229.40x = 1,816,150,556.57
  5. Step 5: Solve for x
    x = 1,816,150,556.57/58,229.40
  6. Step 6: Final answer
    x = 31,189.58

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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.