Home / 31,982.80-44,124.60-20,046.64

Finding the Fourth Proportional to 31,982.80, 44,124.60 and 20,046.64

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Solution

The fourth proportional to 31,982.80, 44,124.60 and 20,046.64 is: 27,657.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,982.80 : 44,124.60 = 20,046.64 : x
  2. Step 2: Convert to fraction form
    31,982.80/44,124.60 = 20,046.64/x
  3. Step 3: Cross multiply
    31,982.80x = 44,124.60 × 20,046.64
  4. Step 4: Simplify right side
    31,982.80x = 884,549,971.34
  5. Step 5: Solve for x
    x = 884,549,971.34/31,982.80
  6. Step 6: Final answer
    x = 27,657.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.