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Finding the Fourth Proportional to 61,625.68, 85,043.19 and 33,331.39

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Solution

The fourth proportional to 61,625.68, 85,043.19 and 33,331.39 is: 45,997.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,625.68 : 85,043.19 = 33,331.39 : x
  2. Step 2: Convert to fraction form
    61,625.68/85,043.19 = 33,331.39/x
  3. Step 3: Cross multiply
    61,625.68x = 85,043.19 × 33,331.39
  4. Step 4: Simplify right side
    61,625.68x = 2,834,607,732.73
  5. Step 5: Solve for x
    x = 2,834,607,732.73/61,625.68
  6. Step 6: Final answer
    x = 45,997.18

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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.