Home / 37,221.92-51,365.04-20,453.84

Finding the Fourth Proportional to 37,221.92, 51,365.04 and 20,453.84

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Solution

The fourth proportional to 37,221.92, 51,365.04 and 20,453.84 is: 28,225.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,221.92 : 51,365.04 = 20,453.84 : x
  2. Step 2: Convert to fraction form
    37,221.92/51,365.04 = 20,453.84/x
  3. Step 3: Cross multiply
    37,221.92x = 51,365.04 × 20,453.84
  4. Step 4: Simplify right side
    37,221.92x = 1,050,612,309.75
  5. Step 5: Solve for x
    x = 1,050,612,309.75/37,221.92
  6. Step 6: Final answer
    x = 28,225.63

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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.