Home / 51,102.97-76,658.30-13,662.22

Finding the Fourth Proportional to 51,102.97, 76,658.30 and 13,662.22

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Solution

The fourth proportional to 51,102.97, 76,658.30 and 13,662.22 is: 20,494.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,102.97 : 76,658.30 = 13,662.22 : x
  2. Step 2: Convert to fraction form
    51,102.97/76,658.30 = 13,662.22/x
  3. Step 3: Cross multiply
    51,102.97x = 76,658.30 × 13,662.22
  4. Step 4: Simplify right side
    51,102.97x = 1,047,322,559.43
  5. Step 5: Solve for x
    x = 1,047,322,559.43/51,102.97
  6. Step 6: Final answer
    x = 20,494.36

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1.5x scale

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.