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Finding the Fourth Proportional to 61,883.15, 85,398.82 and 33,588.83

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Solution

The fourth proportional to 61,883.15, 85,398.82 and 33,588.83 is: 46,352.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,883.15 : 85,398.82 = 33,588.83 : x
  2. Step 2: Convert to fraction form
    61,883.15/85,398.82 = 33,588.83/x
  3. Step 3: Cross multiply
    61,883.15x = 85,398.82 × 33,588.83
  4. Step 4: Simplify right side
    61,883.15x = 2,868,446,576.71
  5. Step 5: Solve for x
    x = 2,868,446,576.71/61,883.15
  6. Step 6: Final answer
    x = 46,352.63

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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.