Home / 31,747.44-47,643.12-10,971.12

Finding the Fourth Proportional to 31,747.44, 47,643.12 and 10,971.12

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Solution

The fourth proportional to 31,747.44, 47,643.12 and 10,971.12 is: 16,464.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,747.44 : 47,643.12 = 10,971.12 : x
  2. Step 2: Convert to fraction form
    31,747.44/47,643.12 = 10,971.12/x
  3. Step 3: Cross multiply
    31,747.44x = 47,643.12 × 10,971.12
  4. Step 4: Simplify right side
    31,747.44x = 522,698,386.69
  5. Step 5: Solve for x
    x = 522,698,386.69/31,747.44
  6. Step 6: Final answer
    x = 16,464.27

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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.