Home / 35,137.28-52,706.77-13,789.08

Finding the Fourth Proportional to 35,137.28, 52,706.77 and 13,789.08

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Solution

The fourth proportional to 35,137.28, 52,706.77 and 13,789.08 is: 20,683.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,137.28 : 52,706.77 = 13,789.08 : x
  2. Step 2: Convert to fraction form
    35,137.28/52,706.77 = 13,789.08/x
  3. Step 3: Cross multiply
    35,137.28x = 52,706.77 × 13,789.08
  4. Step 4: Simplify right side
    35,137.28x = 726,777,799.13
  5. Step 5: Solve for x
    x = 726,777,799.13/35,137.28
  6. Step 6: Final answer
    x = 20,683.95

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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.