Home / 31,394.44-47,115.42-15,825.16

Finding the Fourth Proportional to 31,394.44, 47,115.42 and 15,825.16

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Solution

The fourth proportional to 31,394.44, 47,115.42 and 15,825.16 is: 23,749.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,394.44 : 47,115.42 = 15,825.16 : x
  2. Step 2: Convert to fraction form
    31,394.44/47,115.42 = 15,825.16/x
  3. Step 3: Cross multiply
    31,394.44x = 47,115.42 × 15,825.16
  4. Step 4: Simplify right side
    31,394.44x = 745,609,059.97
  5. Step 5: Solve for x
    x = 745,609,059.97/31,394.44
  6. Step 6: Final answer
    x = 23,749.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.