Home / 50,702.22-69,967.40-28,040.85

Finding the Fourth Proportional to 50,702.22, 69,967.40 and 28,040.85

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Solution

The fourth proportional to 50,702.22, 69,967.40 and 28,040.85 is: 38,695.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,702.22 : 69,967.40 = 28,040.85 : x
  2. Step 2: Convert to fraction form
    50,702.22/69,967.40 = 28,040.85/x
  3. Step 3: Cross multiply
    50,702.22x = 69,967.40 × 28,040.85
  4. Step 4: Simplify right side
    50,702.22x = 1,961,945,228.09
  5. Step 5: Solve for x
    x = 1,961,945,228.09/50,702.22
  6. Step 6: Final answer
    x = 38,695.45

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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.