Home / 73,796.18-110,682.38-21,193.70

Finding the Fourth Proportional to 73,796.18, 110,682.38 and 21,193.70

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Solution

The fourth proportional to 73,796.18, 110,682.38 and 21,193.70 is: 31,787.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,796.18 : 110,682.38 = 21,193.70 : x
  2. Step 2: Convert to fraction form
    73,796.18/110,682.38 = 21,193.70/x
  3. Step 3: Cross multiply
    73,796.18x = 110,682.38 × 21,193.70
  4. Step 4: Simplify right side
    73,796.18x = 2,345,768,656.58
  5. Step 5: Solve for x
    x = 2,345,768,656.58/73,796.18
  6. Step 6: Final answer
    x = 31,787.13

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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.