Home / 31,907.10-47,829.78-17,873.94

Finding the Fourth Proportional to 31,907.10, 47,829.78 and 17,873.94

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Solution

The fourth proportional to 31,907.10, 47,829.78 and 17,873.94 is: 26,793.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,907.10 : 47,829.78 = 17,873.94 : x
  2. Step 2: Convert to fraction form
    31,907.10/47,829.78 = 17,873.94/x
  3. Step 3: Cross multiply
    31,907.10x = 47,829.78 × 17,873.94
  4. Step 4: Simplify right side
    31,907.10x = 854,906,617.93
  5. Step 5: Solve for x
    x = 854,906,617.93/31,907.10
  6. Step 6: Final answer
    x = 26,793.62

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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.