Home / 39,662.07-54,733.55-21,757.34

Finding the Fourth Proportional to 39,662.07, 54,733.55 and 21,757.34

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Solution

The fourth proportional to 39,662.07, 54,733.55 and 21,757.34 is: 30,025.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,662.07 : 54,733.55 = 21,757.34 : x
  2. Step 2: Convert to fraction form
    39,662.07/54,733.55 = 21,757.34/x
  3. Step 3: Cross multiply
    39,662.07x = 54,733.55 × 21,757.34
  4. Step 4: Simplify right side
    39,662.07x = 1,190,856,074.30
  5. Step 5: Solve for x
    x = 1,190,856,074.30/39,662.07
  6. Step 6: Final answer
    x = 30,025.06

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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.