Home / 38,177.19-52,684.81-20,949.44

Finding the Fourth Proportional to 38,177.19, 52,684.81 and 20,949.44

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Solution

The fourth proportional to 38,177.19, 52,684.81 and 20,949.44 is: 28,910.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,177.19 : 52,684.81 = 20,949.44 : x
  2. Step 2: Convert to fraction form
    38,177.19/52,684.81 = 20,949.44/x
  3. Step 3: Cross multiply
    38,177.19x = 52,684.81 × 20,949.44
  4. Step 4: Simplify right side
    38,177.19x = 1,103,717,266.01
  5. Step 5: Solve for x
    x = 1,103,717,266.01/38,177.19
  6. Step 6: Final answer
    x = 28,910.39

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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.