Home / 31,442.82-47,180.46-13,925.04

Finding the Fourth Proportional to 31,442.82, 47,180.46 and 13,925.04

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Solution

The fourth proportional to 31,442.82, 47,180.46 and 13,925.04 is: 20,894.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,442.82 : 47,180.46 = 13,925.04 : x
  2. Step 2: Convert to fraction form
    31,442.82/47,180.46 = 13,925.04/x
  3. Step 3: Cross multiply
    31,442.82x = 47,180.46 × 13,925.04
  4. Step 4: Simplify right side
    31,442.82x = 656,989,792.72
  5. Step 5: Solve for x
    x = 656,989,792.72/31,442.82
  6. Step 6: Final answer
    x = 20,894.75

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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.