Home / 31,759.29-47,621.89-10,692.30

Finding the Fourth Proportional to 31,759.29, 47,621.89 and 10,692.30

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Solution

The fourth proportional to 31,759.29, 47,621.89 and 10,692.30 is: 16,032.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,759.29 : 47,621.89 = 10,692.30 : x
  2. Step 2: Convert to fraction form
    31,759.29/47,621.89 = 10,692.30/x
  3. Step 3: Cross multiply
    31,759.29x = 47,621.89 × 10,692.30
  4. Step 4: Simplify right side
    31,759.29x = 509,187,726.39
  5. Step 5: Solve for x
    x = 509,187,726.39/31,759.29
  6. Step 6: Final answer
    x = 16,032.72

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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.