Home / 32,768.80-45,185.24-22,140

Finding the Fourth Proportional to 32,768.80, 45,185.24 and 22,140

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Solution

The fourth proportional to 32,768.80, 45,185.24 and 22,140 is: 30,529.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,768.80 : 45,185.24 = 22,140 : x
  2. Step 2: Convert to fraction form
    32,768.80/45,185.24 = 22,140/x
  3. Step 3: Cross multiply
    32,768.80x = 45,185.24 × 22,140
  4. Step 4: Simplify right side
    32,768.80x = 1,000,401,213.60
  5. Step 5: Solve for x
    x = 1,000,401,213.60/32,768.80
  6. Step 6: Final answer
    x = 30,529.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.