Home / 38,543.88-53,190.36-22,405.44

Finding the Fourth Proportional to 38,543.88, 53,190.36 and 22,405.44

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Solution

The fourth proportional to 38,543.88, 53,190.36 and 22,405.44 is: 30,919.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,543.88 : 53,190.36 = 22,405.44 : x
  2. Step 2: Convert to fraction form
    38,543.88/53,190.36 = 22,405.44/x
  3. Step 3: Cross multiply
    38,543.88x = 53,190.36 × 22,405.44
  4. Step 4: Simplify right side
    38,543.88x = 1,191,753,419.56
  5. Step 5: Solve for x
    x = 1,191,753,419.56/38,543.88
  6. Step 6: Final answer
    x = 30,919.39

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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.