Home / 38,229.12-57,343.67-11,936.11

Finding the Fourth Proportional to 38,229.12, 57,343.67 and 11,936.11

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Solution

The fourth proportional to 38,229.12, 57,343.67 and 11,936.11 is: 17,904.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,229.12 : 57,343.67 = 11,936.11 : x
  2. Step 2: Convert to fraction form
    38,229.12/57,343.67 = 11,936.11/x
  3. Step 3: Cross multiply
    38,229.12x = 57,343.67 × 11,936.11
  4. Step 4: Simplify right side
    38,229.12x = 684,460,352.92
  5. Step 5: Solve for x
    x = 684,460,352.92/38,229.12
  6. Step 6: Final answer
    x = 17,904.16

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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.