Home / 31,965.82-47,907.08-17,157.40

Finding the Fourth Proportional to 31,965.82, 47,907.08 and 17,157.40

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Solution

The fourth proportional to 31,965.82, 47,907.08 and 17,157.40 is: 25,713.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,965.82 : 47,907.08 = 17,157.40 : x
  2. Step 2: Convert to fraction form
    31,965.82/47,907.08 = 17,157.40/x
  3. Step 3: Cross multiply
    31,965.82x = 47,907.08 × 17,157.40
  4. Step 4: Simplify right side
    31,965.82x = 821,960,934.39
  5. Step 5: Solve for x
    x = 821,960,934.39/31,965.82
  6. Step 6: Final answer
    x = 25,713.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.