Home / 39,214.78-58,833.15-15,857.62

Finding the Fourth Proportional to 39,214.78, 58,833.15 and 15,857.62

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Solution

The fourth proportional to 39,214.78, 58,833.15 and 15,857.62 is: 23,790.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,214.78 : 58,833.15 = 15,857.62 : x
  2. Step 2: Convert to fraction form
    39,214.78/58,833.15 = 15,857.62/x
  3. Step 3: Cross multiply
    39,214.78x = 58,833.15 × 15,857.62
  4. Step 4: Simplify right side
    39,214.78x = 932,953,736.10
  5. Step 5: Solve for x
    x = 932,953,736.10/39,214.78
  6. Step 6: Final answer
    x = 23,790.87

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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.