Home / 31,836.27-47,738-14,291.06

Finding the Fourth Proportional to 31,836.27, 47,738 and 14,291.06

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Solution

The fourth proportional to 31,836.27, 47,738 and 14,291.06 is: 21,429.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,836.27 : 47,738 = 14,291.06 : x
  2. Step 2: Convert to fraction form
    31,836.27/47,738 = 14,291.06/x
  3. Step 3: Cross multiply
    31,836.27x = 47,738 × 14,291.06
  4. Step 4: Simplify right side
    31,836.27x = 682,226,622.28
  5. Step 5: Solve for x
    x = 682,226,622.28/31,836.27
  6. Step 6: Final answer
    x = 21,429.23

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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.