Home / 39,971.88-55,165.86-33,245.64

Finding the Fourth Proportional to 39,971.88, 55,165.86 and 33,245.64

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Solution

The fourth proportional to 39,971.88, 55,165.86 and 33,245.64 is: 45,882.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,971.88 : 55,165.86 = 33,245.64 : x
  2. Step 2: Convert to fraction form
    39,971.88/55,165.86 = 33,245.64/x
  3. Step 3: Cross multiply
    39,971.88x = 55,165.86 × 33,245.64
  4. Step 4: Simplify right side
    39,971.88x = 1,834,024,321.85
  5. Step 5: Solve for x
    x = 1,834,024,321.85/39,971.88
  6. Step 6: Final answer
    x = 45,882.86

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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.