Home / 61,269.11-91,903.32-23,855.21

Finding the Fourth Proportional to 61,269.11, 91,903.32 and 23,855.21

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Solution

The fourth proportional to 61,269.11, 91,903.32 and 23,855.21 is: 35,782.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,269.11 : 91,903.32 = 23,855.21 : x
  2. Step 2: Convert to fraction form
    61,269.11/91,903.32 = 23,855.21/x
  3. Step 3: Cross multiply
    61,269.11x = 91,903.32 × 23,855.21
  4. Step 4: Simplify right side
    61,269.11x = 2,192,372,538.78
  5. Step 5: Solve for x
    x = 2,192,372,538.78/61,269.11
  6. Step 6: Final answer
    x = 35,782.68

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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.