Home / 36,443.43-54,665.14-20,850.12

Finding the Fourth Proportional to 36,443.43, 54,665.14 and 20,850.12

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Solution

The fourth proportional to 36,443.43, 54,665.14 and 20,850.12 is: 31,275.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,443.43 : 54,665.14 = 20,850.12 : x
  2. Step 2: Convert to fraction form
    36,443.43/54,665.14 = 20,850.12/x
  3. Step 3: Cross multiply
    36,443.43x = 54,665.14 × 20,850.12
  4. Step 4: Simplify right side
    36,443.43x = 1,139,774,620.68
  5. Step 5: Solve for x
    x = 1,139,774,620.68/36,443.43
  6. Step 6: Final answer
    x = 31,275.18

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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.