Home / 31,732.15-47,613.93-15,087.87

Finding the Fourth Proportional to 31,732.15, 47,613.93 and 15,087.87

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Solution

The fourth proportional to 31,732.15, 47,613.93 and 15,087.87 is: 22,639.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,732.15 : 47,613.93 = 15,087.87 : x
  2. Step 2: Convert to fraction form
    31,732.15/47,613.93 = 15,087.87/x
  3. Step 3: Cross multiply
    31,732.15x = 47,613.93 × 15,087.87
  4. Step 4: Simplify right side
    31,732.15x = 718,392,786.03
  5. Step 5: Solve for x
    x = 718,392,786.03/31,732.15
  6. Step 6: Final answer
    x = 22,639.27

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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.