Home / 36,531.57-50,414.37-20,178.74

Finding the Fourth Proportional to 36,531.57, 50,414.37 and 20,178.74

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Solution

The fourth proportional to 36,531.57, 50,414.37 and 20,178.74 is: 27,847.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,531.57 : 50,414.37 = 20,178.74 : x
  2. Step 2: Convert to fraction form
    36,531.57/50,414.37 = 20,178.74/x
  3. Step 3: Cross multiply
    36,531.57x = 50,414.37 × 20,178.74
  4. Step 4: Simplify right side
    36,531.57x = 1,017,298,111.53
  5. Step 5: Solve for x
    x = 1,017,298,111.53/36,531.57
  6. Step 6: Final answer
    x = 27,847.10

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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.