Home / 43,556.20-65,367.18-31,899.64

Finding the Fourth Proportional to 43,556.20, 65,367.18 and 31,899.64

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Solution

The fourth proportional to 43,556.20, 65,367.18 and 31,899.64 is: 47,873.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,556.20 : 65,367.18 = 31,899.64 : x
  2. Step 2: Convert to fraction form
    43,556.20/65,367.18 = 31,899.64/x
  3. Step 3: Cross multiply
    43,556.20x = 65,367.18 × 31,899.64
  4. Step 4: Simplify right side
    43,556.20x = 2,085,189,509.82
  5. Step 5: Solve for x
    x = 2,085,189,509.82/43,556.20
  6. Step 6: Final answer
    x = 47,873.54

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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.