Home / 50,672.64-75,967.96-21,112.68

Finding the Fourth Proportional to 50,672.64, 75,967.96 and 21,112.68

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Solution

The fourth proportional to 50,672.64, 75,967.96 and 21,112.68 is: 31,651.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,672.64 : 75,967.96 = 21,112.68 : x
  2. Step 2: Convert to fraction form
    50,672.64/75,967.96 = 21,112.68/x
  3. Step 3: Cross multiply
    50,672.64x = 75,967.96 × 21,112.68
  4. Step 4: Simplify right side
    50,672.64x = 1,603,887,229.73
  5. Step 5: Solve for x
    x = 1,603,887,229.73/50,672.64
  6. Step 6: Final answer
    x = 31,651.94

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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.