Home / 39,181.88-54,070.56-22,185.66

Finding the Fourth Proportional to 39,181.88, 54,070.56 and 22,185.66

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Solution

The fourth proportional to 39,181.88, 54,070.56 and 22,185.66 is: 30,615.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,181.88 : 54,070.56 = 22,185.66 : x
  2. Step 2: Convert to fraction form
    39,181.88/54,070.56 = 22,185.66/x
  3. Step 3: Cross multiply
    39,181.88x = 54,070.56 × 22,185.66
  4. Step 4: Simplify right side
    39,181.88x = 1,199,591,060.17
  5. Step 5: Solve for x
    x = 1,199,591,060.17/39,181.88
  6. Step 6: Final answer
    x = 30,615.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.