Home / 66,977.82-100,467.34-21,998.52

Finding the Fourth Proportional to 66,977.82, 100,467.34 and 21,998.52

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Solution

The fourth proportional to 66,977.82, 100,467.34 and 21,998.52 is: 32,997.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,977.82 : 100,467.34 = 21,998.52 : x
  2. Step 2: Convert to fraction form
    66,977.82/100,467.34 = 21,998.52/x
  3. Step 3: Cross multiply
    66,977.82x = 100,467.34 × 21,998.52
  4. Step 4: Simplify right side
    66,977.82x = 2,210,132,733.34
  5. Step 5: Solve for x
    x = 2,210,132,733.34/66,977.82
  6. Step 6: Final answer
    x = 32,997.98

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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.