Home / 39,871.42-59,812.59-11,793.68

Finding the Fourth Proportional to 39,871.42, 59,812.59 and 11,793.68

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Solution

The fourth proportional to 39,871.42, 59,812.59 and 11,793.68 is: 17,692.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,871.42 : 59,812.59 = 11,793.68 : x
  2. Step 2: Convert to fraction form
    39,871.42/59,812.59 = 11,793.68/x
  3. Step 3: Cross multiply
    39,871.42x = 59,812.59 × 11,793.68
  4. Step 4: Simplify right side
    39,871.42x = 705,410,546.43
  5. Step 5: Solve for x
    x = 705,410,546.43/39,871.42
  6. Step 6: Final answer
    x = 17,692.14

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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.