Home / 38,293.56-57,440.38-12,000.36

Finding the Fourth Proportional to 38,293.56, 57,440.38 and 12,000.36

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Solution

The fourth proportional to 38,293.56, 57,440.38 and 12,000.36 is: 18,000.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,293.56 : 57,440.38 = 12,000.36 : x
  2. Step 2: Convert to fraction form
    38,293.56/57,440.38 = 12,000.36/x
  3. Step 3: Cross multiply
    38,293.56x = 57,440.38 × 12,000.36
  4. Step 4: Simplify right side
    38,293.56x = 689,305,238.54
  5. Step 5: Solve for x
    x = 689,305,238.54/38,293.56
  6. Step 6: Final answer
    x = 18,000.55

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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.