Home / 31,441.86-47,168.60-10,383.36

Finding the Fourth Proportional to 31,441.86, 47,168.60 and 10,383.36

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Solution

The fourth proportional to 31,441.86, 47,168.60 and 10,383.36 is: 15,576.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,441.86 : 47,168.60 = 10,383.36 : x
  2. Step 2: Convert to fraction form
    31,441.86/47,168.60 = 10,383.36/x
  3. Step 3: Cross multiply
    31,441.86x = 47,168.60 × 10,383.36
  4. Step 4: Simplify right side
    31,441.86x = 489,768,502.58
  5. Step 5: Solve for x
    x = 489,768,502.58/31,441.86
  6. Step 6: Final answer
    x = 15,576.96

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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.