Home / 31,834.76-43,933.35-17,687.60

Finding the Fourth Proportional to 31,834.76, 43,933.35 and 17,687.60

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Solution

The fourth proportional to 31,834.76, 43,933.35 and 17,687.60 is: 24,409.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,834.76 : 43,933.35 = 17,687.60 : x
  2. Step 2: Convert to fraction form
    31,834.76/43,933.35 = 17,687.60/x
  3. Step 3: Cross multiply
    31,834.76x = 43,933.35 × 17,687.60
  4. Step 4: Simplify right side
    31,834.76x = 777,075,301.79
  5. Step 5: Solve for x
    x = 777,075,301.79/31,834.76
  6. Step 6: Final answer
    x = 24,409.65

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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.