Home / 31,621.32-43,635.24-17,475.21

Finding the Fourth Proportional to 31,621.32, 43,635.24 and 17,475.21

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Solution

The fourth proportional to 31,621.32, 43,635.24 and 17,475.21 is: 24,114.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,621.32 : 43,635.24 = 17,475.21 : x
  2. Step 2: Convert to fraction form
    31,621.32/43,635.24 = 17,475.21/x
  3. Step 3: Cross multiply
    31,621.32x = 43,635.24 × 17,475.21
  4. Step 4: Simplify right side
    31,621.32x = 762,534,982.40
  5. Step 5: Solve for x
    x = 762,534,982.40/31,621.32
  6. Step 6: Final answer
    x = 24,114.58

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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.