Home / 36,853.60-55,283.28-18,143.68

Finding the Fourth Proportional to 36,853.60, 55,283.28 and 18,143.68

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Solution

The fourth proportional to 36,853.60, 55,283.28 and 18,143.68 is: 27,216.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,853.60 : 55,283.28 = 18,143.68 : x
  2. Step 2: Convert to fraction form
    36,853.60/55,283.28 = 18,143.68/x
  3. Step 3: Cross multiply
    36,853.60x = 55,283.28 × 18,143.68
  4. Step 4: Simplify right side
    36,853.60x = 1,003,042,141.67
  5. Step 5: Solve for x
    x = 1,003,042,141.67/36,853.60
  6. Step 6: Final answer
    x = 27,216.94

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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.