Home / 39,839.05-59,758.54-12,137.05

Finding the Fourth Proportional to 39,839.05, 59,758.54 and 12,137.05

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Solution

The fourth proportional to 39,839.05, 59,758.54 and 12,137.05 is: 18,205.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,839.05 : 59,758.54 = 12,137.05 : x
  2. Step 2: Convert to fraction form
    39,839.05/59,758.54 = 12,137.05/x
  3. Step 3: Cross multiply
    39,839.05x = 59,758.54 × 12,137.05
  4. Step 4: Simplify right side
    39,839.05x = 725,292,387.91
  5. Step 5: Solve for x
    x = 725,292,387.91/39,839.05
  6. Step 6: Final answer
    x = 18,205.56

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1.5x scale

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.