Home / 20,692.66-31,039.16-5,901.56

Finding the Fourth Proportional to 20,692.66, 31,039.16 and 5,901.56

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Solution

The fourth proportional to 20,692.66, 31,039.16 and 5,901.56 is: 8,852.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,692.66 : 31,039.16 = 5,901.56 : x
  2. Step 2: Convert to fraction form
    20,692.66/31,039.16 = 5,901.56/x
  3. Step 3: Cross multiply
    20,692.66x = 31,039.16 × 5,901.56
  4. Step 4: Simplify right side
    20,692.66x = 183,179,465.09
  5. Step 5: Solve for x
    x = 183,179,465.09/20,692.66
  6. Step 6: Final answer
    x = 8,852.39

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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.