Home / 51,997.68-78,003-16,927.92

Finding the Fourth Proportional to 51,997.68, 78,003 and 16,927.92

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Solution

The fourth proportional to 51,997.68, 78,003 and 16,927.92 is: 25,393.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,997.68 : 78,003 = 16,927.92 : x
  2. Step 2: Convert to fraction form
    51,997.68/78,003 = 16,927.92/x
  3. Step 3: Cross multiply
    51,997.68x = 78,003 × 16,927.92
  4. Step 4: Simplify right side
    51,997.68x = 1,320,428,543.76
  5. Step 5: Solve for x
    x = 1,320,428,543.76/51,997.68
  6. Step 6: Final answer
    x = 25,393.99

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Double scale
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Similar ratio
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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.