Home / 50,660.66-69,911.82-27,999.15

Finding the Fourth Proportional to 50,660.66, 69,911.82 and 27,999.15

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Solution

The fourth proportional to 50,660.66, 69,911.82 and 27,999.15 is: 38,638.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,660.66 : 69,911.82 = 27,999.15 : x
  2. Step 2: Convert to fraction form
    50,660.66/69,911.82 = 27,999.15/x
  3. Step 3: Cross multiply
    50,660.66x = 69,911.82 × 27,999.15
  4. Step 4: Simplify right side
    50,660.66x = 1,957,471,534.95
  5. Step 5: Solve for x
    x = 1,957,471,534.95/50,660.66
  6. Step 6: Final answer
    x = 38,638.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.