Home / 42,212.08-63,262.30-22,180.64

Finding the Fourth Proportional to 42,212.08, 63,262.30 and 22,180.64

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Solution

The fourth proportional to 42,212.08, 63,262.30 and 22,180.64 is: 33,241.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,212.08 : 63,262.30 = 22,180.64 : x
  2. Step 2: Convert to fraction form
    42,212.08/63,262.30 = 22,180.64/x
  3. Step 3: Cross multiply
    42,212.08x = 63,262.30 × 22,180.64
  4. Step 4: Simplify right side
    42,212.08x = 1,403,198,301.87
  5. Step 5: Solve for x
    x = 1,403,198,301.87/42,212.08
  6. Step 6: Final answer
    x = 33,241.63

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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.