Home / 48,908.20-73,362.30-11,972.20

Finding the Fourth Proportional to 48,908.20, 73,362.30 and 11,972.20

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Solution

The fourth proportional to 48,908.20, 73,362.30 and 11,972.20 is: 17,958.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,908.20 : 73,362.30 = 11,972.20 : x
  2. Step 2: Convert to fraction form
    48,908.20/73,362.30 = 11,972.20/x
  3. Step 3: Cross multiply
    48,908.20x = 73,362.30 × 11,972.20
  4. Step 4: Simplify right side
    48,908.20x = 878,308,128.06
  5. Step 5: Solve for x
    x = 878,308,128.06/48,908.20
  6. Step 6: Final answer
    x = 17,958.30

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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.