Home / 31,714.86-47,575.42-11,729.60

Finding the Fourth Proportional to 31,714.86, 47,575.42 and 11,729.60

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Solution

The fourth proportional to 31,714.86, 47,575.42 and 11,729.60 is: 17,595.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,714.86 : 47,575.42 = 11,729.60 : x
  2. Step 2: Convert to fraction form
    31,714.86/47,575.42 = 11,729.60/x
  3. Step 3: Cross multiply
    31,714.86x = 47,575.42 × 11,729.60
  4. Step 4: Simplify right side
    31,714.86x = 558,040,646.43
  5. Step 5: Solve for x
    x = 558,040,646.43/31,714.86
  6. Step 6: Final answer
    x = 17,595.56

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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.