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Finding the Fourth Proportional to 55,339.94, 83,010.48 and 15,896.96

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Solution

The fourth proportional to 55,339.94, 83,010.48 and 15,896.96 is: 23,845.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,339.94 : 83,010.48 = 15,896.96 : x
  2. Step 2: Convert to fraction form
    55,339.94/83,010.48 = 15,896.96/x
  3. Step 3: Cross multiply
    55,339.94x = 83,010.48 × 15,896.96
  4. Step 4: Simplify right side
    55,339.94x = 1,319,614,280.14
  5. Step 5: Solve for x
    x = 1,319,614,280.14/55,339.94
  6. Step 6: Final answer
    x = 23,845.60

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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.