Home / 37,435.39-51,660.96-20,439.67

Finding the Fourth Proportional to 37,435.39, 51,660.96 and 20,439.67

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Solution

The fourth proportional to 37,435.39, 51,660.96 and 20,439.67 is: 28,206.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,435.39 : 51,660.96 = 20,439.67 : x
  2. Step 2: Convert to fraction form
    37,435.39/51,660.96 = 20,439.67/x
  3. Step 3: Cross multiply
    37,435.39x = 51,660.96 × 20,439.67
  4. Step 4: Simplify right side
    37,435.39x = 1,055,932,974.28
  5. Step 5: Solve for x
    x = 1,055,932,974.28/37,435.39
  6. Step 6: Final answer
    x = 28,206.81

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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.