Home / 31,637.18-43,660.24-17,490.96

Finding the Fourth Proportional to 31,637.18, 43,660.24 and 17,490.96

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Solution

The fourth proportional to 31,637.18, 43,660.24 and 17,490.96 is: 24,138.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,637.18 : 43,660.24 = 17,490.96 : x
  2. Step 2: Convert to fraction form
    31,637.18/43,660.24 = 17,490.96/x
  3. Step 3: Cross multiply
    31,637.18x = 43,660.24 × 17,490.96
  4. Step 4: Simplify right side
    31,637.18x = 763,659,511.43
  5. Step 5: Solve for x
    x = 763,659,511.43/31,637.18
  6. Step 6: Final answer
    x = 24,138.04

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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.