Home / 51,997.09-77,995.63-16,936.74

Finding the Fourth Proportional to 51,997.09, 77,995.63 and 16,936.74

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Solution

The fourth proportional to 51,997.09, 77,995.63 and 16,936.74 is: 25,405.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,997.09 : 77,995.63 = 16,936.74 : x
  2. Step 2: Convert to fraction form
    51,997.09/77,995.63 = 16,936.74/x
  3. Step 3: Cross multiply
    51,997.09x = 77,995.63 × 16,936.74
  4. Step 4: Simplify right side
    51,997.09x = 1,320,991,706.45
  5. Step 5: Solve for x
    x = 1,320,991,706.45/51,997.09
  6. Step 6: Final answer
    x = 25,405.11

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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.