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Finding the Fourth Proportional to 61,039.98, 84,231.09 and 33,814.22

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Solution

The fourth proportional to 61,039.98, 84,231.09 and 33,814.22 is: 46,661.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,039.98 : 84,231.09 = 33,814.22 : x
  2. Step 2: Convert to fraction form
    61,039.98/84,231.09 = 33,814.22/x
  3. Step 3: Cross multiply
    61,039.98x = 84,231.09 × 33,814.22
  4. Step 4: Simplify right side
    61,039.98x = 2,848,208,608.10
  5. Step 5: Solve for x
    x = 2,848,208,608.10/61,039.98
  6. Step 6: Final answer
    x = 46,661.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.