Home / 39,098.69-53,956.28-21,193.61

Finding the Fourth Proportional to 39,098.69, 53,956.28 and 21,193.61

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Solution

The fourth proportional to 39,098.69, 53,956.28 and 21,193.61 is: 29,247.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,098.69 : 53,956.28 = 21,193.61 : x
  2. Step 2: Convert to fraction form
    39,098.69/53,956.28 = 21,193.61/x
  3. Step 3: Cross multiply
    39,098.69x = 53,956.28 × 21,193.61
  4. Step 4: Simplify right side
    39,098.69x = 1,143,527,979.62
  5. Step 5: Solve for x
    x = 1,143,527,979.62/39,098.69
  6. Step 6: Final answer
    x = 29,247.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.