Home / 38,087.70-57,168.39-18,380.10

Finding the Fourth Proportional to 38,087.70, 57,168.39 and 18,380.10

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Solution

The fourth proportional to 38,087.70, 57,168.39 and 18,380.10 is: 27,587.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,087.70 : 57,168.39 = 18,380.10 : x
  2. Step 2: Convert to fraction form
    38,087.70/57,168.39 = 18,380.10/x
  3. Step 3: Cross multiply
    38,087.70x = 57,168.39 × 18,380.10
  4. Step 4: Simplify right side
    38,087.70x = 1,050,760,725.04
  5. Step 5: Solve for x
    x = 1,050,760,725.04/38,087.70
  6. Step 6: Final answer
    x = 27,587.93

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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.