Home / 36,845.84-50,836.20-20,928.08

Finding the Fourth Proportional to 36,845.84, 50,836.20 and 20,928.08

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Solution

The fourth proportional to 36,845.84, 50,836.20 and 20,928.08 is: 28,874.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,845.84 : 50,836.20 = 20,928.08 : x
  2. Step 2: Convert to fraction form
    36,845.84/50,836.20 = 20,928.08/x
  3. Step 3: Cross multiply
    36,845.84x = 50,836.20 × 20,928.08
  4. Step 4: Simplify right side
    36,845.84x = 1,063,904,060.50
  5. Step 5: Solve for x
    x = 1,063,904,060.50/36,845.84
  6. Step 6: Final answer
    x = 28,874.47

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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.