Home / 50,670.78-76,020.82-15,615.60

Finding the Fourth Proportional to 50,670.78, 76,020.82 and 15,615.60

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Solution

The fourth proportional to 50,670.78, 76,020.82 and 15,615.60 is: 23,427.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,670.78 : 76,020.82 = 15,615.60 : x
  2. Step 2: Convert to fraction form
    50,670.78/76,020.82 = 15,615.60/x
  3. Step 3: Cross multiply
    50,670.78x = 76,020.82 × 15,615.60
  4. Step 4: Simplify right side
    50,670.78x = 1,187,110,716.79
  5. Step 5: Solve for x
    x = 1,187,110,716.79/50,670.78
  6. Step 6: Final answer
    x = 23,427.91

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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.