Home / 31,714.12-47,577.86-11,992.24

Finding the Fourth Proportional to 31,714.12, 47,577.86 and 11,992.24

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Solution

The fourth proportional to 31,714.12, 47,577.86 and 11,992.24 is: 17,990.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,714.12 : 47,577.86 = 11,992.24 : x
  2. Step 2: Convert to fraction form
    31,714.12/47,577.86 = 11,992.24/x
  3. Step 3: Cross multiply
    31,714.12x = 47,577.86 × 11,992.24
  4. Step 4: Simplify right side
    31,714.12x = 570,565,115.81
  5. Step 5: Solve for x
    x = 570,565,115.81/31,714.12
  6. Step 6: Final answer
    x = 17,990.89

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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.