Home / 31,692.65-47,536.25-19,208.99

Finding the Fourth Proportional to 31,692.65, 47,536.25 and 19,208.99

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Solution

The fourth proportional to 31,692.65, 47,536.25 and 19,208.99 is: 28,811.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,692.65 : 47,536.25 = 19,208.99 : x
  2. Step 2: Convert to fraction form
    31,692.65/47,536.25 = 19,208.99/x
  3. Step 3: Cross multiply
    31,692.65x = 47,536.25 × 19,208.99
  4. Step 4: Simplify right side
    31,692.65x = 913,123,017.16
  5. Step 5: Solve for x
    x = 913,123,017.16/31,692.65
  6. Step 6: Final answer
    x = 28,811.83

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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.