Home / 39,872.77-59,820.85-11,793.56

Finding the Fourth Proportional to 39,872.77, 59,820.85 and 11,793.56

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Solution

The fourth proportional to 39,872.77, 59,820.85 and 11,793.56 is: 17,693.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,872.77 : 59,820.85 = 11,793.56 : x
  2. Step 2: Convert to fraction form
    39,872.77/59,820.85 = 11,793.56/x
  3. Step 3: Cross multiply
    39,872.77x = 59,820.85 × 11,793.56
  4. Step 4: Simplify right side
    39,872.77x = 705,500,769.52
  5. Step 5: Solve for x
    x = 705,500,769.52/39,872.77
  6. Step 6: Final answer
    x = 17,693.80

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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.