Home / 36,840.40-50,839.92-20,924.96

Finding the Fourth Proportional to 36,840.40, 50,839.92 and 20,924.96

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Solution

The fourth proportional to 36,840.40, 50,839.92 and 20,924.96 is: 28,876.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,840.40 : 50,839.92 = 20,924.96 : x
  2. Step 2: Convert to fraction form
    36,840.40/50,839.92 = 20,924.96/x
  3. Step 3: Cross multiply
    36,840.40x = 50,839.92 × 20,924.96
  4. Step 4: Simplify right side
    36,840.40x = 1,063,823,292.40
  5. Step 5: Solve for x
    x = 1,063,823,292.40/36,840.40
  6. Step 6: Final answer
    x = 28,876.54

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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.