Home / 37,200.09-55,793.97-12,240.45

Finding the Fourth Proportional to 37,200.09, 55,793.97 and 12,240.45

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Solution

The fourth proportional to 37,200.09, 55,793.97 and 12,240.45 is: 18,358.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,200.09 : 55,793.97 = 12,240.45 : x
  2. Step 2: Convert to fraction form
    37,200.09/55,793.97 = 12,240.45/x
  3. Step 3: Cross multiply
    37,200.09x = 55,793.97 × 12,240.45
  4. Step 4: Simplify right side
    37,200.09x = 682,943,300.09
  5. Step 5: Solve for x
    x = 682,943,300.09/37,200.09
  6. Step 6: Final answer
    x = 18,358.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.