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Finding the Fourth Proportional to 54,997.72, 75,897.93 and 35,889.72

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Solution

The fourth proportional to 54,997.72, 75,897.93 and 35,889.72 is: 49,528.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,997.72 : 75,897.93 = 35,889.72 : x
  2. Step 2: Convert to fraction form
    54,997.72/75,897.93 = 35,889.72/x
  3. Step 3: Cross multiply
    54,997.72x = 75,897.93 × 35,889.72
  4. Step 4: Simplify right side
    54,997.72x = 2,723,955,456.28
  5. Step 5: Solve for x
    x = 2,723,955,456.28/54,997.72
  6. Step 6: Final answer
    x = 49,528.52

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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.