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Finding the Fourth Proportional to 61,585.83, 84,988.50 and 33,291.52

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Solution

The fourth proportional to 61,585.83, 84,988.50 and 33,291.52 is: 45,942.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,585.83 : 84,988.50 = 33,291.52 : x
  2. Step 2: Convert to fraction form
    61,585.83/84,988.50 = 33,291.52/x
  3. Step 3: Cross multiply
    61,585.83x = 84,988.50 × 33,291.52
  4. Step 4: Simplify right side
    61,585.83x = 2,829,396,347.52
  5. Step 5: Solve for x
    x = 2,829,396,347.52/61,585.83
  6. Step 6: Final answer
    x = 45,942.33

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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.