Home / 31,469.86-47,193.55-10,406.02

Finding the Fourth Proportional to 31,469.86, 47,193.55 and 10,406.02

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Solution

The fourth proportional to 31,469.86, 47,193.55 and 10,406.02 is: 15,605.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,469.86 : 47,193.55 = 10,406.02 : x
  2. Step 2: Convert to fraction form
    31,469.86/47,193.55 = 10,406.02/x
  3. Step 3: Cross multiply
    31,469.86x = 47,193.55 × 10,406.02
  4. Step 4: Simplify right side
    31,469.86x = 491,096,812.20
  5. Step 5: Solve for x
    x = 491,096,812.20/31,469.86
  6. Step 6: Final answer
    x = 15,605.30

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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.