Home / 51,997.11-77,995.66-16,936.76

Finding the Fourth Proportional to 51,997.11, 77,995.66 and 16,936.76

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Solution

The fourth proportional to 51,997.11, 77,995.66 and 16,936.76 is: 25,405.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,997.11 : 77,995.66 = 16,936.76 : x
  2. Step 2: Convert to fraction form
    51,997.11/77,995.66 = 16,936.76/x
  3. Step 3: Cross multiply
    51,997.11x = 77,995.66 × 16,936.76
  4. Step 4: Simplify right side
    51,997.11x = 1,320,993,774.46
  5. Step 5: Solve for x
    x = 1,320,993,774.46/51,997.11
  6. Step 6: Final answer
    x = 25,405.14

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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.