Home / 45,238.97-67,880.54-31,997.05

Finding the Fourth Proportional to 45,238.97, 67,880.54 and 31,997.05

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Solution

The fourth proportional to 45,238.97, 67,880.54 and 31,997.05 is: 48,011.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,238.97 : 67,880.54 = 31,997.05 : x
  2. Step 2: Convert to fraction form
    45,238.97/67,880.54 = 31,997.05/x
  3. Step 3: Cross multiply
    45,238.97x = 67,880.54 × 31,997.05
  4. Step 4: Simplify right side
    45,238.97x = 2,171,976,942.70
  5. Step 5: Solve for x
    x = 2,171,976,942.70/45,238.97
  6. Step 6: Final answer
    x = 48,011.19

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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.