Home / 31,961.90-44,106.56-18,349.55

Finding the Fourth Proportional to 31,961.90, 44,106.56 and 18,349.55

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Solution

The fourth proportional to 31,961.90, 44,106.56 and 18,349.55 is: 25,321.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,961.90 : 44,106.56 = 18,349.55 : x
  2. Step 2: Convert to fraction form
    31,961.90/44,106.56 = 18,349.55/x
  3. Step 3: Cross multiply
    31,961.90x = 44,106.56 × 18,349.55
  4. Step 4: Simplify right side
    31,961.90x = 809,335,215.77
  5. Step 5: Solve for x
    x = 809,335,215.77/31,961.90
  6. Step 6: Final answer
    x = 25,321.88

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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.