Home / 50,679.60-76,012.20-15,622.80

Finding the Fourth Proportional to 50,679.60, 76,012.20 and 15,622.80

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Solution

The fourth proportional to 50,679.60, 76,012.20 and 15,622.80 is: 23,431.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,679.60 : 76,012.20 = 15,622.80 : x
  2. Step 2: Convert to fraction form
    50,679.60/76,012.20 = 15,622.80/x
  3. Step 3: Cross multiply
    50,679.60x = 76,012.20 × 15,622.80
  4. Step 4: Simplify right side
    50,679.60x = 1,187,523,398.16
  5. Step 5: Solve for x
    x = 1,187,523,398.16/50,679.60
  6. Step 6: Final answer
    x = 23,431.98

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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.