Home / 31,707.11-47,519.33-17,666.57

Finding the Fourth Proportional to 31,707.11, 47,519.33 and 17,666.57

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Solution

The fourth proportional to 31,707.11, 47,519.33 and 17,666.57 is: 26,476.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,707.11 : 47,519.33 = 17,666.57 : x
  2. Step 2: Convert to fraction form
    31,707.11/47,519.33 = 17,666.57/x
  3. Step 3: Cross multiply
    31,707.11x = 47,519.33 × 17,666.57
  4. Step 4: Simplify right side
    31,707.11x = 839,503,243.87
  5. Step 5: Solve for x
    x = 839,503,243.87/31,707.11
  6. Step 6: Final answer
    x = 26,476.82

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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.