Home / 31,083.75-46,650.20-13,565.88

Finding the Fourth Proportional to 31,083.75, 46,650.20 and 13,565.88

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Solution

The fourth proportional to 31,083.75, 46,650.20 and 13,565.88 is: 20,359.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,083.75 : 46,650.20 = 13,565.88 : x
  2. Step 2: Convert to fraction form
    31,083.75/46,650.20 = 13,565.88/x
  3. Step 3: Cross multiply
    31,083.75x = 46,650.20 × 13,565.88
  4. Step 4: Simplify right side
    31,083.75x = 632,850,947.35
  5. Step 5: Solve for x
    x = 632,850,947.35/31,083.75
  6. Step 6: Final answer
    x = 20,359.54

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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.