Home / 23,829.70-35,688.20-20,692.66

Finding the Fourth Proportional to 23,829.70, 35,688.20 and 20,692.66

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Solution

The fourth proportional to 23,829.70, 35,688.20 and 20,692.66 is: 30,990.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,829.70 : 35,688.20 = 20,692.66 : x
  2. Step 2: Convert to fraction form
    23,829.70/35,688.20 = 20,692.66/x
  3. Step 3: Cross multiply
    23,829.70x = 35,688.20 × 20,692.66
  4. Step 4: Simplify right side
    23,829.70x = 738,483,788.61
  5. Step 5: Solve for x
    x = 738,483,788.61/23,829.70
  6. Step 6: Final answer
    x = 30,990.06

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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.