Home / 39,839.96-59,750.02-12,137.56

Finding the Fourth Proportional to 39,839.96, 59,750.02 and 12,137.56

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Solution

The fourth proportional to 39,839.96, 59,750.02 and 12,137.56 is: 18,203.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,839.96 : 59,750.02 = 12,137.56 : x
  2. Step 2: Convert to fraction form
    39,839.96/59,750.02 = 12,137.56/x
  3. Step 3: Cross multiply
    39,839.96x = 59,750.02 × 12,137.56
  4. Step 4: Simplify right side
    39,839.96x = 725,219,452.75
  5. Step 5: Solve for x
    x = 725,219,452.75/39,839.96
  6. Step 6: Final answer
    x = 18,203.32

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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.