Home / 38,921.92-58,382.87-12,626.66

Finding the Fourth Proportional to 38,921.92, 58,382.87 and 12,626.66

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Solution

The fourth proportional to 38,921.92, 58,382.87 and 12,626.66 is: 18,939.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,921.92 : 58,382.87 = 12,626.66 : x
  2. Step 2: Convert to fraction form
    38,921.92/58,382.87 = 12,626.66/x
  3. Step 3: Cross multiply
    38,921.92x = 58,382.87 × 12,626.66
  4. Step 4: Simplify right side
    38,921.92x = 737,180,732.14
  5. Step 5: Solve for x
    x = 737,180,732.14/38,921.92
  6. Step 6: Final answer
    x = 18,939.99

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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.