Home / 36,402.41-50,231.43-20,486.58

Finding the Fourth Proportional to 36,402.41, 50,231.43 and 20,486.58

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Solution

The fourth proportional to 36,402.41, 50,231.43 and 20,486.58 is: 28,269.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,402.41 : 50,231.43 = 20,486.58 : x
  2. Step 2: Convert to fraction form
    36,402.41/50,231.43 = 20,486.58/x
  3. Step 3: Cross multiply
    36,402.41x = 50,231.43 × 20,486.58
  4. Step 4: Simplify right side
    36,402.41x = 1,029,070,209.21
  5. Step 5: Solve for x
    x = 1,029,070,209.21/36,402.41
  6. Step 6: Final answer
    x = 28,269.29

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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.