Home / 48,724.20-73,086.30-21,022.20

Finding the Fourth Proportional to 48,724.20, 73,086.30 and 21,022.20

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Solution

The fourth proportional to 48,724.20, 73,086.30 and 21,022.20 is: 31,533.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,724.20 : 73,086.30 = 21,022.20 : x
  2. Step 2: Convert to fraction form
    48,724.20/73,086.30 = 21,022.20/x
  3. Step 3: Cross multiply
    48,724.20x = 73,086.30 × 21,022.20
  4. Step 4: Simplify right side
    48,724.20x = 1,536,434,815.86
  5. Step 5: Solve for x
    x = 1,536,434,815.86/48,724.20
  6. Step 6: Final answer
    x = 31,533.30

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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.