Home / 36,845.56-55,262.95-18,120.57

Finding the Fourth Proportional to 36,845.56, 55,262.95 and 18,120.57

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Solution

The fourth proportional to 36,845.56, 55,262.95 and 18,120.57 is: 27,178.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,845.56 : 55,262.95 = 18,120.57 : x
  2. Step 2: Convert to fraction form
    36,845.56/55,262.95 = 18,120.57/x
  3. Step 3: Cross multiply
    36,845.56x = 55,262.95 × 18,120.57
  4. Step 4: Simplify right side
    36,845.56x = 1,001,395,877.57
  5. Step 5: Solve for x
    x = 1,001,395,877.57/36,845.56
  6. Step 6: Final answer
    x = 27,178.20

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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.