Home / 51,990.45-77,991.14-16,932.84

Finding the Fourth Proportional to 51,990.45, 77,991.14 and 16,932.84

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Solution

The fourth proportional to 51,990.45, 77,991.14 and 16,932.84 is: 25,401.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,990.45 : 77,991.14 = 16,932.84 : x
  2. Step 2: Convert to fraction form
    51,990.45/77,991.14 = 16,932.84/x
  3. Step 3: Cross multiply
    51,990.45x = 77,991.14 × 16,932.84
  4. Step 4: Simplify right side
    51,990.45x = 1,320,611,495.04
  5. Step 5: Solve for x
    x = 1,320,611,495.04/51,990.45
  6. Step 6: Final answer
    x = 25,401.04

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1.5x scale

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.