Home / 31,708.22-47,562.78-15,069.92

Finding the Fourth Proportional to 31,708.22, 47,562.78 and 15,069.92

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Solution

The fourth proportional to 31,708.22, 47,562.78 and 15,069.92 is: 22,605.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,708.22 : 47,562.78 = 15,069.92 : x
  2. Step 2: Convert to fraction form
    31,708.22/47,562.78 = 15,069.92/x
  3. Step 3: Cross multiply
    31,708.22x = 47,562.78 × 15,069.92
  4. Step 4: Simplify right side
    31,708.22x = 716,767,289.58
  5. Step 5: Solve for x
    x = 716,767,289.58/31,708.22
  6. Step 6: Final answer
    x = 22,605.09

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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.