Home / 43,556.52-65,345.60-12,391.52

Finding the Fourth Proportional to 43,556.52, 65,345.60 and 12,391.52

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Solution

The fourth proportional to 43,556.52, 65,345.60 and 12,391.52 is: 18,590.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,556.52 : 65,345.60 = 12,391.52 : x
  2. Step 2: Convert to fraction form
    43,556.52/65,345.60 = 12,391.52/x
  3. Step 3: Cross multiply
    43,556.52x = 65,345.60 × 12,391.52
  4. Step 4: Simplify right side
    43,556.52x = 809,731,309.31
  5. Step 5: Solve for x
    x = 809,731,309.31/43,556.52
  6. Step 6: Final answer
    x = 18,590.36

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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.