Home / 39,115.46-58,667.24-12,819.62

Finding the Fourth Proportional to 39,115.46, 58,667.24 and 12,819.62

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Solution

The fourth proportional to 39,115.46, 58,667.24 and 12,819.62 is: 19,227.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,115.46 : 58,667.24 = 12,819.62 : x
  2. Step 2: Convert to fraction form
    39,115.46/58,667.24 = 12,819.62/x
  3. Step 3: Cross multiply
    39,115.46x = 58,667.24 × 12,819.62
  4. Step 4: Simplify right side
    39,115.46x = 752,091,723.25
  5. Step 5: Solve for x
    x = 752,091,723.25/39,115.46
  6. Step 6: Final answer
    x = 19,227.48

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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.