Home / 31,441.90-43,388.79-17,294.62

Finding the Fourth Proportional to 31,441.90, 43,388.79 and 17,294.62

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Solution

The fourth proportional to 31,441.90, 43,388.79 and 17,294.62 is: 23,866.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,441.90 : 43,388.79 = 17,294.62 : x
  2. Step 2: Convert to fraction form
    31,441.90/43,388.79 = 17,294.62/x
  3. Step 3: Cross multiply
    31,441.90x = 43,388.79 × 17,294.62
  4. Step 4: Simplify right side
    31,441.90x = 750,392,635.31
  5. Step 5: Solve for x
    x = 750,392,635.31/31,441.90
  6. Step 6: Final answer
    x = 23,866.01

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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.