Home / 31,692.47-47,585.43-17,679.88

Finding the Fourth Proportional to 31,692.47, 47,585.43 and 17,679.88

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Solution

The fourth proportional to 31,692.47, 47,585.43 and 17,679.88 is: 26,545.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,692.47 : 47,585.43 = 17,679.88 : x
  2. Step 2: Convert to fraction form
    31,692.47/47,585.43 = 17,679.88/x
  3. Step 3: Cross multiply
    31,692.47x = 47,585.43 × 17,679.88
  4. Step 4: Simplify right side
    31,692.47x = 841,304,573.18
  5. Step 5: Solve for x
    x = 841,304,573.18/31,692.47
  6. Step 6: Final answer
    x = 26,545.88

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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.