Home / 66,346.43-91,556.24-36,131.09

Finding the Fourth Proportional to 66,346.43, 91,556.24 and 36,131.09

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Solution

The fourth proportional to 66,346.43, 91,556.24 and 36,131.09 is: 49,859.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,346.43 : 91,556.24 = 36,131.09 : x
  2. Step 2: Convert to fraction form
    66,346.43/91,556.24 = 36,131.09/x
  3. Step 3: Cross multiply
    66,346.43x = 91,556.24 × 36,131.09
  4. Step 4: Simplify right side
    66,346.43x = 3,308,026,109.06
  5. Step 5: Solve for x
    x = 3,308,026,109.06/66,346.43
  6. Step 6: Final answer
    x = 49,859.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.