Home / 31,938.08-44,074.56-18,517.11

Finding the Fourth Proportional to 31,938.08, 44,074.56 and 18,517.11

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Solution

The fourth proportional to 31,938.08, 44,074.56 and 18,517.11 is: 25,553.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,938.08 : 44,074.56 = 18,517.11 : x
  2. Step 2: Convert to fraction form
    31,938.08/44,074.56 = 18,517.11/x
  3. Step 3: Cross multiply
    31,938.08x = 44,074.56 × 18,517.11
  4. Step 4: Simplify right side
    31,938.08x = 816,133,475.72
  5. Step 5: Solve for x
    x = 816,133,475.72/31,938.08
  6. Step 6: Final answer
    x = 25,553.62

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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.