Home / 50,930.88-76,353.12-21,334.56

Finding the Fourth Proportional to 50,930.88, 76,353.12 and 21,334.56

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Solution

The fourth proportional to 50,930.88, 76,353.12 and 21,334.56 is: 31,983.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,930.88 : 76,353.12 = 21,334.56 : x
  2. Step 2: Convert to fraction form
    50,930.88/76,353.12 = 21,334.56/x
  3. Step 3: Cross multiply
    50,930.88x = 76,353.12 × 21,334.56
  4. Step 4: Simplify right side
    50,930.88x = 1,628,960,219.83
  5. Step 5: Solve for x
    x = 1,628,960,219.83/50,930.88
  6. Step 6: Final answer
    x = 31,983.74

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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.