Home / 36,398.75-50,221.94-20,477.39

Finding the Fourth Proportional to 36,398.75, 50,221.94 and 20,477.39

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Solution

The fourth proportional to 36,398.75, 50,221.94 and 20,477.39 is: 28,254.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,398.75 : 50,221.94 = 20,477.39 : x
  2. Step 2: Convert to fraction form
    36,398.75/50,221.94 = 20,477.39/x
  3. Step 3: Cross multiply
    36,398.75x = 50,221.94 × 20,477.39
  4. Step 4: Simplify right side
    36,398.75x = 1,028,413,898.44
  5. Step 5: Solve for x
    x = 1,028,413,898.44/36,398.75
  6. Step 6: Final answer
    x = 28,254.10

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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.