Home / 39,724.26-59,578.52-19,712.87

Finding the Fourth Proportional to 39,724.26, 59,578.52 and 19,712.87

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Solution

The fourth proportional to 39,724.26, 59,578.52 and 19,712.87 is: 29,565.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,724.26 : 59,578.52 = 19,712.87 : x
  2. Step 2: Convert to fraction form
    39,724.26/59,578.52 = 19,712.87/x
  3. Step 3: Cross multiply
    39,724.26x = 59,578.52 × 19,712.87
  4. Step 4: Simplify right side
    39,724.26x = 1,174,463,223.10
  5. Step 5: Solve for x
    x = 1,174,463,223.10/39,724.26
  6. Step 6: Final answer
    x = 29,565.39

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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.