Home / 36,685.80-50,620.14-21,575.52

Finding the Fourth Proportional to 36,685.80, 50,620.14 and 21,575.52

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Solution

The fourth proportional to 36,685.80, 50,620.14 and 21,575.52 is: 29,770.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,685.80 : 50,620.14 = 21,575.52 : x
  2. Step 2: Convert to fraction form
    36,685.80/50,620.14 = 21,575.52/x
  3. Step 3: Cross multiply
    36,685.80x = 50,620.14 × 21,575.52
  4. Step 4: Simplify right side
    36,685.80x = 1,092,155,842.97
  5. Step 5: Solve for x
    x = 1,092,155,842.97/36,685.80
  6. Step 6: Final answer
    x = 29,770.53

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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.