Home / 39,781.14-59,674.05-16,399.50

Finding the Fourth Proportional to 39,781.14, 59,674.05 and 16,399.50

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Solution

The fourth proportional to 39,781.14, 59,674.05 and 16,399.50 is: 24,600.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,781.14 : 59,674.05 = 16,399.50 : x
  2. Step 2: Convert to fraction form
    39,781.14/59,674.05 = 16,399.50/x
  3. Step 3: Cross multiply
    39,781.14x = 59,674.05 × 16,399.50
  4. Step 4: Simplify right side
    39,781.14x = 978,624,582.98
  5. Step 5: Solve for x
    x = 978,624,582.98/39,781.14
  6. Step 6: Final answer
    x = 24,600.21

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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.