Home / 50,702.15-69,968.35-28,040.73

Finding the Fourth Proportional to 50,702.15, 69,968.35 and 28,040.73

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Solution

The fourth proportional to 50,702.15, 69,968.35 and 28,040.73 is: 38,695.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,702.15 : 69,968.35 = 28,040.73 : x
  2. Step 2: Convert to fraction form
    50,702.15/69,968.35 = 28,040.73/x
  3. Step 3: Cross multiply
    50,702.15x = 69,968.35 × 28,040.73
  4. Step 4: Simplify right side
    50,702.15x = 1,961,963,540.79
  5. Step 5: Solve for x
    x = 1,961,963,540.79/50,702.15
  6. Step 6: Final answer
    x = 38,695.86

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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.