Home / 31,641.06-47,474.68-13,862.54

Finding the Fourth Proportional to 31,641.06, 47,474.68 and 13,862.54

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Solution

The fourth proportional to 31,641.06, 47,474.68 and 13,862.54 is: 20,799.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,641.06 : 47,474.68 = 13,862.54 : x
  2. Step 2: Convert to fraction form
    31,641.06/47,474.68 = 13,862.54/x
  3. Step 3: Cross multiply
    31,641.06x = 47,474.68 × 13,862.54
  4. Step 4: Simplify right side
    31,641.06x = 658,119,650.49
  5. Step 5: Solve for x
    x = 658,119,650.49/31,641.06
  6. Step 6: Final answer
    x = 20,799.54

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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.