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Finding the Fourth Proportional to 57,324.36, 85,865.40 and 36,253.56

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Solution

The fourth proportional to 57,324.36, 85,865.40 and 36,253.56 is: 54,303.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,324.36 : 85,865.40 = 36,253.56 : x
  2. Step 2: Convert to fraction form
    57,324.36/85,865.40 = 36,253.56/x
  3. Step 3: Cross multiply
    57,324.36x = 85,865.40 × 36,253.56
  4. Step 4: Simplify right side
    57,324.36x = 3,112,926,430.82
  5. Step 5: Solve for x
    x = 3,112,926,430.82/57,324.36
  6. Step 6: Final answer
    x = 54,303.73

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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.