Home / 31,692.10-47,525.38-11,959.91

Finding the Fourth Proportional to 31,692.10, 47,525.38 and 11,959.91

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Solution

The fourth proportional to 31,692.10, 47,525.38 and 11,959.91 is: 17,935.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,692.10 : 47,525.38 = 11,959.91 : x
  2. Step 2: Convert to fraction form
    31,692.10/47,525.38 = 11,959.91/x
  3. Step 3: Cross multiply
    31,692.10x = 47,525.38 × 11,959.91
  4. Step 4: Simplify right side
    31,692.10x = 568,399,267.52
  5. Step 5: Solve for x
    x = 568,399,267.52/31,692.10
  6. Step 6: Final answer
    x = 17,935.05

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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.