Home / 66,901.10-100,281.40-22,512.44

Finding the Fourth Proportional to 66,901.10, 100,281.40 and 22,512.44

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Solution

The fourth proportional to 66,901.10, 100,281.40 and 22,512.44 is: 33,745.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,901.10 : 100,281.40 = 22,512.44 : x
  2. Step 2: Convert to fraction form
    66,901.10/100,281.40 = 22,512.44/x
  3. Step 3: Cross multiply
    66,901.10x = 100,281.40 × 22,512.44
  4. Step 4: Simplify right side
    66,901.10x = 2,257,579,000.62
  5. Step 5: Solve for x
    x = 2,257,579,000.62/66,901.10
  6. Step 6: Final answer
    x = 33,745.02

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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.