Home / 31,710.52-47,575.38-11,995.12

Finding the Fourth Proportional to 31,710.52, 47,575.38 and 11,995.12

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Solution

The fourth proportional to 31,710.52, 47,575.38 and 11,995.12 is: 17,996.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,710.52 : 47,575.38 = 11,995.12 : x
  2. Step 2: Convert to fraction form
    31,710.52/47,575.38 = 11,995.12/x
  3. Step 3: Cross multiply
    31,710.52x = 47,575.38 × 11,995.12
  4. Step 4: Simplify right side
    31,710.52x = 570,672,392.15
  5. Step 5: Solve for x
    x = 570,672,392.15/31,710.52
  6. Step 6: Final answer
    x = 17,996.31

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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.