Home / 50,665.66-69,912.56-28,001.59

Finding the Fourth Proportional to 50,665.66, 69,912.56 and 28,001.59

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Solution

The fourth proportional to 50,665.66, 69,912.56 and 28,001.59 is: 38,638.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,665.66 : 69,912.56 = 28,001.59 : x
  2. Step 2: Convert to fraction form
    50,665.66/69,912.56 = 28,001.59/x
  3. Step 3: Cross multiply
    50,665.66x = 69,912.56 × 28,001.59
  4. Step 4: Simplify right side
    50,665.66x = 1,957,662,840.97
  5. Step 5: Solve for x
    x = 1,957,662,840.97/50,665.66
  6. Step 6: Final answer
    x = 38,638.85

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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.