Home / 50,851.40-76,278.92-21,228.48

Finding the Fourth Proportional to 50,851.40, 76,278.92 and 21,228.48

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Solution

The fourth proportional to 50,851.40, 76,278.92 and 21,228.48 is: 31,843.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,851.40 : 76,278.92 = 21,228.48 : x
  2. Step 2: Convert to fraction form
    50,851.40/76,278.92 = 21,228.48/x
  3. Step 3: Cross multiply
    50,851.40x = 76,278.92 × 21,228.48
  4. Step 4: Simplify right side
    50,851.40x = 1,619,285,421.50
  5. Step 5: Solve for x
    x = 1,619,285,421.50/50,851.40
  6. Step 6: Final answer
    x = 31,843.48

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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.