Home / 37,387.20-51,594.96-20,391.54

Finding the Fourth Proportional to 37,387.20, 51,594.96 and 20,391.54

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Solution

The fourth proportional to 37,387.20, 51,594.96 and 20,391.54 is: 28,140.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,387.20 : 51,594.96 = 20,391.54 : x
  2. Step 2: Convert to fraction form
    37,387.20/51,594.96 = 20,391.54/x
  3. Step 3: Cross multiply
    37,387.20x = 51,594.96 × 20,391.54
  4. Step 4: Simplify right side
    37,387.20x = 1,052,100,690.64
  5. Step 5: Solve for x
    x = 1,052,100,690.64/37,387.20
  6. Step 6: Final answer
    x = 28,140.67

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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.