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Finding the Fourth Proportional to 61,292.71, 91,945.03 and 23,855.83

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Solution

The fourth proportional to 61,292.71, 91,945.03 and 23,855.83 is: 35,786.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,292.71 : 91,945.03 = 23,855.83 : x
  2. Step 2: Convert to fraction form
    61,292.71/91,945.03 = 23,855.83/x
  3. Step 3: Cross multiply
    61,292.71x = 91,945.03 × 23,855.83
  4. Step 4: Simplify right side
    61,292.71x = 2,193,425,005.02
  5. Step 5: Solve for x
    x = 2,193,425,005.02/61,292.71
  6. Step 6: Final answer
    x = 35,786.07

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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.