Home / 67,216.95-100,801.93-19,819.46

Finding the Fourth Proportional to 67,216.95, 100,801.93 and 19,819.46

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Solution

The fourth proportional to 67,216.95, 100,801.93 and 19,819.46 is: 29,722.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,216.95 : 100,801.93 = 19,819.46 : x
  2. Step 2: Convert to fraction form
    67,216.95/100,801.93 = 19,819.46/x
  3. Step 3: Cross multiply
    67,216.95x = 100,801.93 × 19,819.46
  4. Step 4: Simplify right side
    67,216.95x = 1,997,839,819.56
  5. Step 5: Solve for x
    x = 1,997,839,819.56/67,216.95
  6. Step 6: Final answer
    x = 29,722.26

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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.