Home / 20,692.84-31,034.13-5,901.88

Finding the Fourth Proportional to 20,692.84, 31,034.13 and 5,901.88

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Solution

The fourth proportional to 20,692.84, 31,034.13 and 5,901.88 is: 8,851.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,692.84 : 31,034.13 = 5,901.88 : x
  2. Step 2: Convert to fraction form
    20,692.84/31,034.13 = 5,901.88/x
  3. Step 3: Cross multiply
    20,692.84x = 31,034.13 × 5,901.88
  4. Step 4: Simplify right side
    20,692.84x = 183,159,711.16
  5. Step 5: Solve for x
    x = 183,159,711.16/20,692.84
  6. Step 6: Final answer
    x = 8,851.36

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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.