Home / 31,843.22-47,748.35-14,298.08

Finding the Fourth Proportional to 31,843.22, 47,748.35 and 14,298.08

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Solution

The fourth proportional to 31,843.22, 47,748.35 and 14,298.08 is: 21,439.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,843.22 : 47,748.35 = 14,298.08 : x
  2. Step 2: Convert to fraction form
    31,843.22/47,748.35 = 14,298.08/x
  3. Step 3: Cross multiply
    31,843.22x = 47,748.35 × 14,298.08
  4. Step 4: Simplify right side
    31,843.22x = 682,709,417.94
  5. Step 5: Solve for x
    x = 682,709,417.94/31,843.22
  6. Step 6: Final answer
    x = 21,439.71

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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.