Home / 39,871.04-59,812.03-11,793.30

Finding the Fourth Proportional to 39,871.04, 59,812.03 and 11,793.30

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Solution

The fourth proportional to 39,871.04, 59,812.03 and 11,793.30 is: 17,691.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,871.04 : 59,812.03 = 11,793.30 : x
  2. Step 2: Convert to fraction form
    39,871.04/59,812.03 = 11,793.30/x
  3. Step 3: Cross multiply
    39,871.04x = 59,812.03 × 11,793.30
  4. Step 4: Simplify right side
    39,871.04x = 705,381,213.40
  5. Step 5: Solve for x
    x = 705,381,213.40/39,871.04
  6. Step 6: Final answer
    x = 17,691.57

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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.