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Finding the Fourth Proportional to 66,827.56, 100,249.98 and 22,435.24

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Solution

The fourth proportional to 66,827.56, 100,249.98 and 22,435.24 is: 33,655.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,827.56 : 100,249.98 = 22,435.24 : x
  2. Step 2: Convert to fraction form
    66,827.56/100,249.98 = 22,435.24/x
  3. Step 3: Cross multiply
    66,827.56x = 100,249.98 × 22,435.24
  4. Step 4: Simplify right side
    66,827.56x = 2,249,132,361.30
  5. Step 5: Solve for x
    x = 2,249,132,361.30/66,827.56
  6. Step 6: Final answer
    x = 33,655.76

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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.