Home / 47,990.40-66,226.30-26,480.34

Finding the Fourth Proportional to 47,990.40, 66,226.30 and 26,480.34

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Solution

The fourth proportional to 47,990.40, 66,226.30 and 26,480.34 is: 36,542.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,990.40 : 66,226.30 = 26,480.34 : x
  2. Step 2: Convert to fraction form
    47,990.40/66,226.30 = 26,480.34/x
  3. Step 3: Cross multiply
    47,990.40x = 66,226.30 × 26,480.34
  4. Step 4: Simplify right side
    47,990.40x = 1,753,694,940.94
  5. Step 5: Solve for x
    x = 1,753,694,940.94/47,990.40
  6. Step 6: Final answer
    x = 36,542.62

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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.