Home / 43,221.90-64,881.45-33,404.70

Finding the Fourth Proportional to 43,221.90, 64,881.45 and 33,404.70

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Solution

The fourth proportional to 43,221.90, 64,881.45 and 33,404.70 is: 50,144.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,221.90 : 64,881.45 = 33,404.70 : x
  2. Step 2: Convert to fraction form
    43,221.90/64,881.45 = 33,404.70/x
  3. Step 3: Cross multiply
    43,221.90x = 64,881.45 × 33,404.70
  4. Step 4: Simplify right side
    43,221.90x = 2,167,345,372.82
  5. Step 5: Solve for x
    x = 2,167,345,372.82/43,221.90
  6. Step 6: Final answer
    x = 50,144.61

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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.