Home / 48,682.20-73,023.30-20,980.20

Finding the Fourth Proportional to 48,682.20, 73,023.30 and 20,980.20

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Solution

The fourth proportional to 48,682.20, 73,023.30 and 20,980.20 is: 31,470.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,682.20 : 73,023.30 = 20,980.20 : x
  2. Step 2: Convert to fraction form
    48,682.20/73,023.30 = 20,980.20/x
  3. Step 3: Cross multiply
    48,682.20x = 73,023.30 × 20,980.20
  4. Step 4: Simplify right side
    48,682.20x = 1,532,043,438.66
  5. Step 5: Solve for x
    x = 1,532,043,438.66/48,682.20
  6. Step 6: Final answer
    x = 31,470.30

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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.