Home / 31,714.11-47,574.30-11,728.85

Finding the Fourth Proportional to 31,714.11, 47,574.30 and 11,728.85

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Solution

The fourth proportional to 31,714.11, 47,574.30 and 11,728.85 is: 17,594.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,714.11 : 47,574.30 = 11,728.85 : x
  2. Step 2: Convert to fraction form
    31,714.11/47,574.30 = 11,728.85/x
  3. Step 3: Cross multiply
    31,714.11x = 47,574.30 × 11,728.85
  4. Step 4: Simplify right side
    31,714.11x = 557,991,828.56
  5. Step 5: Solve for x
    x = 557,991,828.56/31,714.11
  6. Step 6: Final answer
    x = 17,594.43

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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.