Home / 31,764.96-47,637.72-12,046.32

Finding the Fourth Proportional to 31,764.96, 47,637.72 and 12,046.32

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Solution

The fourth proportional to 31,764.96, 47,637.72 and 12,046.32 is: 18,065.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,764.96 : 47,637.72 = 12,046.32 : x
  2. Step 2: Convert to fraction form
    31,764.96/47,637.72 = 12,046.32/x
  3. Step 3: Cross multiply
    31,764.96x = 47,637.72 × 12,046.32
  4. Step 4: Simplify right side
    31,764.96x = 573,859,219.19
  5. Step 5: Solve for x
    x = 573,859,219.19/31,764.96
  6. Step 6: Final answer
    x = 18,065.79

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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.