Home / 38,665.62-58,007.06-12,371.94

Finding the Fourth Proportional to 38,665.62, 58,007.06 and 12,371.94

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Solution

The fourth proportional to 38,665.62, 58,007.06 and 12,371.94 is: 18,560.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,665.62 : 58,007.06 = 12,371.94 : x
  2. Step 2: Convert to fraction form
    38,665.62/58,007.06 = 12,371.94/x
  3. Step 3: Cross multiply
    38,665.62x = 58,007.06 × 12,371.94
  4. Step 4: Simplify right side
    38,665.62x = 717,659,865.90
  5. Step 5: Solve for x
    x = 717,659,865.90/38,665.62
  6. Step 6: Final answer
    x = 18,560.67

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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.