Home / 71,919.56-107,898.93-21,998.55

Finding the Fourth Proportional to 71,919.56, 107,898.93 and 21,998.55

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Solution

The fourth proportional to 71,919.56, 107,898.93 and 21,998.55 is: 33,003.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,919.56 : 107,898.93 = 21,998.55 : x
  2. Step 2: Convert to fraction form
    71,919.56/107,898.93 = 21,998.55/x
  3. Step 3: Cross multiply
    71,919.56x = 107,898.93 × 21,998.55
  4. Step 4: Simplify right side
    71,919.56x = 2,373,620,006.55
  5. Step 5: Solve for x
    x = 2,373,620,006.55/71,919.56
  6. Step 6: Final answer
    x = 33,003.82

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1.5x scale

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.