Home / 35,138.70-52,716.42-10,179.36

Finding the Fourth Proportional to 35,138.70, 52,716.42 and 10,179.36

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Solution

The fourth proportional to 35,138.70, 52,716.42 and 10,179.36 is: 15,271.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,138.70 : 52,716.42 = 10,179.36 : x
  2. Step 2: Convert to fraction form
    35,138.70/52,716.42 = 10,179.36/x
  3. Step 3: Cross multiply
    35,138.70x = 52,716.42 × 10,179.36
  4. Step 4: Simplify right side
    35,138.70x = 536,619,417.09
  5. Step 5: Solve for x
    x = 536,619,417.09/35,138.70
  6. Step 6: Final answer
    x = 15,271.46

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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.