Home / 39,890.88-59,815.38-17,694.66

Finding the Fourth Proportional to 39,890.88, 59,815.38 and 17,694.66

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Solution

The fourth proportional to 39,890.88, 59,815.38 and 17,694.66 is: 26,532.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,890.88 : 59,815.38 = 17,694.66 : x
  2. Step 2: Convert to fraction form
    39,890.88/59,815.38 = 17,694.66/x
  3. Step 3: Cross multiply
    39,890.88x = 59,815.38 × 17,694.66
  4. Step 4: Simplify right side
    39,890.88x = 1,058,412,811.87
  5. Step 5: Solve for x
    x = 1,058,412,811.87/39,890.88
  6. Step 6: Final answer
    x = 26,532.70

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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.