Home / 39,900.19-59,863.79-17,728.87

Finding the Fourth Proportional to 39,900.19, 59,863.79 and 17,728.87

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Solution

The fourth proportional to 39,900.19, 59,863.79 and 17,728.87 is: 26,599.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,900.19 : 59,863.79 = 17,728.87 : x
  2. Step 2: Convert to fraction form
    39,900.19/59,863.79 = 17,728.87/x
  3. Step 3: Cross multiply
    39,900.19x = 59,863.79 × 17,728.87
  4. Step 4: Simplify right side
    39,900.19x = 1,061,317,350.62
  5. Step 5: Solve for x
    x = 1,061,317,350.62/39,900.19
  6. Step 6: Final answer
    x = 26,599.31

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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.