Home / 36,980.16-55,424.16-18,517.44

Finding the Fourth Proportional to 36,980.16, 55,424.16 and 18,517.44

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Solution

The fourth proportional to 36,980.16, 55,424.16 and 18,517.44 is: 27,753.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,980.16 : 55,424.16 = 18,517.44 : x
  2. Step 2: Convert to fraction form
    36,980.16/55,424.16 = 18,517.44/x
  3. Step 3: Cross multiply
    36,980.16x = 55,424.16 × 18,517.44
  4. Step 4: Simplify right side
    36,980.16x = 1,026,313,557.35
  5. Step 5: Solve for x
    x = 1,026,313,557.35/36,980.16
  6. Step 6: Final answer
    x = 27,753.09

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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.