Home / 31,629.22-47,438.88-10,569.09

Finding the Fourth Proportional to 31,629.22, 47,438.88 and 10,569.09

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Solution

The fourth proportional to 31,629.22, 47,438.88 and 10,569.09 is: 15,851.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,629.22 : 47,438.88 = 10,569.09 : x
  2. Step 2: Convert to fraction form
    31,629.22/47,438.88 = 10,569.09/x
  3. Step 3: Cross multiply
    31,629.22x = 47,438.88 × 10,569.09
  4. Step 4: Simplify right side
    31,629.22x = 501,385,792.22
  5. Step 5: Solve for x
    x = 501,385,792.22/31,629.22
  6. Step 6: Final answer
    x = 15,851.98

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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.