Home / 31,781.04-43,859.10-17,441.37

Finding the Fourth Proportional to 31,781.04, 43,859.10 and 17,441.37

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Solution

The fourth proportional to 31,781.04, 43,859.10 and 17,441.37 is: 24,069.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,781.04 : 43,859.10 = 17,441.37 : x
  2. Step 2: Convert to fraction form
    31,781.04/43,859.10 = 17,441.37/x
  3. Step 3: Cross multiply
    31,781.04x = 43,859.10 × 17,441.37
  4. Step 4: Simplify right side
    31,781.04x = 764,962,703.76
  5. Step 5: Solve for x
    x = 764,962,703.76/31,781.04
  6. Step 6: Final answer
    x = 24,069.79

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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.