Home / 31,513.97-43,487.21-17,366.81

Finding the Fourth Proportional to 31,513.97, 43,487.21 and 17,366.81

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Solution

The fourth proportional to 31,513.97, 43,487.21 and 17,366.81 is: 23,965.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,513.97 : 43,487.21 = 17,366.81 : x
  2. Step 2: Convert to fraction form
    31,513.97/43,487.21 = 17,366.81/x
  3. Step 3: Cross multiply
    31,513.97x = 43,487.21 × 17,366.81
  4. Step 4: Simplify right side
    31,513.97x = 755,234,113.50
  5. Step 5: Solve for x
    x = 755,234,113.50/31,513.97
  6. Step 6: Final answer
    x = 23,965.06

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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.