Home / 31,445.35-43,396.70-17,299.11

Finding the Fourth Proportional to 31,445.35, 43,396.70 and 17,299.11

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Solution

The fourth proportional to 31,445.35, 43,396.70 and 17,299.11 is: 23,873.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,445.35 : 43,396.70 = 17,299.11 : x
  2. Step 2: Convert to fraction form
    31,445.35/43,396.70 = 17,299.11/x
  3. Step 3: Cross multiply
    31,445.35x = 43,396.70 × 17,299.11
  4. Step 4: Simplify right side
    31,445.35x = 750,724,286.94
  5. Step 5: Solve for x
    x = 750,724,286.94/31,445.35
  6. Step 6: Final answer
    x = 23,873.94

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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.