Home / 31,503.94-43,475.43-17,357.09

Finding the Fourth Proportional to 31,503.94, 43,475.43 and 17,357.09

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Solution

The fourth proportional to 31,503.94, 43,475.43 and 17,357.09 is: 23,952.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,503.94 : 43,475.43 = 17,357.09 : x
  2. Step 2: Convert to fraction form
    31,503.94/43,475.43 = 17,357.09/x
  3. Step 3: Cross multiply
    31,503.94x = 43,475.43 × 17,357.09
  4. Step 4: Simplify right side
    31,503.94x = 754,606,799.01
  5. Step 5: Solve for x
    x = 754,606,799.01/31,503.94
  6. Step 6: Final answer
    x = 23,952.78

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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.