Home / 66,826.25-100,254.32-22,451.78

Finding the Fourth Proportional to 66,826.25, 100,254.32 and 22,451.78

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Solution

The fourth proportional to 66,826.25, 100,254.32 and 22,451.78 is: 33,682.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,826.25 : 100,254.32 = 22,451.78 : x
  2. Step 2: Convert to fraction form
    66,826.25/100,254.32 = 22,451.78/x
  3. Step 3: Cross multiply
    66,826.25x = 100,254.32 × 22,451.78
  4. Step 4: Simplify right side
    66,826.25x = 2,250,887,936.69
  5. Step 5: Solve for x
    x = 2,250,887,936.69/66,826.25
  6. Step 6: Final answer
    x = 33,682.69

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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.