Home / 66,551.31-99,793.23-22,162.50

Finding the Fourth Proportional to 66,551.31, 99,793.23 and 22,162.50

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Solution

The fourth proportional to 66,551.31, 99,793.23 and 22,162.50 is: 33,232.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,551.31 : 99,793.23 = 22,162.50 : x
  2. Step 2: Convert to fraction form
    66,551.31/99,793.23 = 22,162.50/x
  3. Step 3: Cross multiply
    66,551.31x = 99,793.23 × 22,162.50
  4. Step 4: Simplify right side
    66,551.31x = 2,211,667,459.88
  5. Step 5: Solve for x
    x = 2,211,667,459.88/66,551.31
  6. Step 6: Final answer
    x = 33,232.52

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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.