Home / 31,924.80-47,884.32-11,147.04

Finding the Fourth Proportional to 31,924.80, 47,884.32 and 11,147.04

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Solution

The fourth proportional to 31,924.80, 47,884.32 and 11,147.04 is: 16,719.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,924.80 : 47,884.32 = 11,147.04 : x
  2. Step 2: Convert to fraction form
    31,924.80/47,884.32 = 11,147.04/x
  3. Step 3: Cross multiply
    31,924.80x = 47,884.32 × 11,147.04
  4. Step 4: Simplify right side
    31,924.80x = 533,768,430.41
  5. Step 5: Solve for x
    x = 533,768,430.41/31,924.80
  6. Step 6: Final answer
    x = 16,719.55

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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.