Home / 39,837.96-59,747.02-12,135.56

Finding the Fourth Proportional to 39,837.96, 59,747.02 and 12,135.56

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Solution

The fourth proportional to 39,837.96, 59,747.02 and 12,135.56 is: 18,200.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,837.96 : 59,747.02 = 12,135.56 : x
  2. Step 2: Convert to fraction form
    39,837.96/59,747.02 = 12,135.56/x
  3. Step 3: Cross multiply
    39,837.96x = 59,747.02 × 12,135.56
  4. Step 4: Simplify right side
    39,837.96x = 725,063,546.03
  5. Step 5: Solve for x
    x = 725,063,546.03/39,837.96
  6. Step 6: Final answer
    x = 18,200.32

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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.