Home / 31,201.12-43,052.56-17,772.63

Finding the Fourth Proportional to 31,201.12, 43,052.56 and 17,772.63

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Solution

The fourth proportional to 31,201.12, 43,052.56 and 17,772.63 is: 24,523.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,201.12 : 43,052.56 = 17,772.63 : x
  2. Step 2: Convert to fraction form
    31,201.12/43,052.56 = 17,772.63/x
  3. Step 3: Cross multiply
    31,201.12x = 43,052.56 × 17,772.63
  4. Step 4: Simplify right side
    31,201.12x = 765,157,219.43
  5. Step 5: Solve for x
    x = 765,157,219.43/31,201.12
  6. Step 6: Final answer
    x = 24,523.39

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1.5x scale

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.