Home / 36,489.56-54,717.32-18,954.68

Finding the Fourth Proportional to 36,489.56, 54,717.32 and 18,954.68

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Solution

The fourth proportional to 36,489.56, 54,717.32 and 18,954.68 is: 28,423.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,489.56 : 54,717.32 = 18,954.68 : x
  2. Step 2: Convert to fraction form
    36,489.56/54,717.32 = 18,954.68/x
  3. Step 3: Cross multiply
    36,489.56x = 54,717.32 × 18,954.68
  4. Step 4: Simplify right side
    36,489.56x = 1,037,149,291.06
  5. Step 5: Solve for x
    x = 1,037,149,291.06/36,489.56
  6. Step 6: Final answer
    x = 28,423.18

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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.