Home / 31,202.82-46,799.64-10,144.78

Finding the Fourth Proportional to 31,202.82, 46,799.64 and 10,144.78

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Solution

The fourth proportional to 31,202.82, 46,799.64 and 10,144.78 is: 15,215.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,202.82 : 46,799.64 = 10,144.78 : x
  2. Step 2: Convert to fraction form
    31,202.82/46,799.64 = 10,144.78/x
  3. Step 3: Cross multiply
    31,202.82x = 46,799.64 × 10,144.78
  4. Step 4: Simplify right side
    31,202.82x = 474,772,051.88
  5. Step 5: Solve for x
    x = 474,772,051.88/31,202.82
  6. Step 6: Final answer
    x = 15,215.68

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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.