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Finding the Fourth Proportional to 57,634.54, 86,379.09 and 30,914.26

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Solution

The fourth proportional to 57,634.54, 86,379.09 and 30,914.26 is: 46,332.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,634.54 : 86,379.09 = 30,914.26 : x
  2. Step 2: Convert to fraction form
    57,634.54/86,379.09 = 30,914.26/x
  3. Step 3: Cross multiply
    57,634.54x = 86,379.09 × 30,914.26
  4. Step 4: Simplify right side
    57,634.54x = 2,670,345,646.82
  5. Step 5: Solve for x
    x = 2,670,345,646.82/57,634.54
  6. Step 6: Final answer
    x = 46,332.38

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1.5x scale

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.