Home / 50,861.88-76,284.11-13,422.35

Finding the Fourth Proportional to 50,861.88, 76,284.11 and 13,422.35

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Solution

The fourth proportional to 50,861.88, 76,284.11 and 13,422.35 is: 20,131.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,861.88 : 76,284.11 = 13,422.35 : x
  2. Step 2: Convert to fraction form
    50,861.88/76,284.11 = 13,422.35/x
  3. Step 3: Cross multiply
    50,861.88x = 76,284.11 × 13,422.35
  4. Step 4: Simplify right side
    50,861.88x = 1,023,912,248.12
  5. Step 5: Solve for x
    x = 1,023,912,248.12/50,861.88
  6. Step 6: Final answer
    x = 20,131.23

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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.