Home / 31,721.54-43,775.73-17,577.14

Finding the Fourth Proportional to 31,721.54, 43,775.73 and 17,577.14

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Solution

The fourth proportional to 31,721.54, 43,775.73 and 17,577.14 is: 24,256.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,721.54 : 43,775.73 = 17,577.14 : x
  2. Step 2: Convert to fraction form
    31,721.54/43,775.73 = 17,577.14/x
  3. Step 3: Cross multiply
    31,721.54x = 43,775.73 × 17,577.14
  4. Step 4: Simplify right side
    31,721.54x = 769,451,915.93
  5. Step 5: Solve for x
    x = 769,451,915.93/31,721.54
  6. Step 6: Final answer
    x = 24,256.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.