Home / 38,416.38-57,633.83-12,121.04

Finding the Fourth Proportional to 38,416.38, 57,633.83 and 12,121.04

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Solution

The fourth proportional to 38,416.38, 57,633.83 and 12,121.04 is: 18,184.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,416.38 : 57,633.83 = 12,121.04 : x
  2. Step 2: Convert to fraction form
    38,416.38/57,633.83 = 12,121.04/x
  3. Step 3: Cross multiply
    38,416.38x = 57,633.83 × 12,121.04
  4. Step 4: Simplify right side
    38,416.38x = 698,582,087.72
  5. Step 5: Solve for x
    x = 698,582,087.72/38,416.38
  6. Step 6: Final answer
    x = 18,184.49

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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.