Home / 31,764.96-47,648.52-15,137.28

Finding the Fourth Proportional to 31,764.96, 47,648.52 and 15,137.28

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Solution

The fourth proportional to 31,764.96, 47,648.52 and 15,137.28 is: 22,706.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,764.96 : 47,648.52 = 15,137.28 : x
  2. Step 2: Convert to fraction form
    31,764.96/47,648.52 = 15,137.28/x
  3. Step 3: Cross multiply
    31,764.96x = 47,648.52 × 15,137.28
  4. Step 4: Simplify right side
    31,764.96x = 721,268,988.83
  5. Step 5: Solve for x
    x = 721,268,988.83/31,764.96
  6. Step 6: Final answer
    x = 22,706.43

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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.