Home / 50,721.14-76,032.27-21,147.44

Finding the Fourth Proportional to 50,721.14, 76,032.27 and 21,147.44

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Solution

The fourth proportional to 50,721.14, 76,032.27 and 21,147.44 is: 31,700.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,721.14 : 76,032.27 = 21,147.44 : x
  2. Step 2: Convert to fraction form
    50,721.14/76,032.27 = 21,147.44/x
  3. Step 3: Cross multiply
    50,721.14x = 76,032.27 × 21,147.44
  4. Step 4: Simplify right side
    50,721.14x = 1,607,887,408.42
  5. Step 5: Solve for x
    x = 1,607,887,408.42/50,721.14
  6. Step 6: Final answer
    x = 31,700.54

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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.