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Finding the Fourth Proportional to 61,800.46, 85,284.82 and 33,506.16

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Solution

The fourth proportional to 61,800.46, 85,284.82 and 33,506.16 is: 46,238.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,800.46 : 85,284.82 = 33,506.16 : x
  2. Step 2: Convert to fraction form
    61,800.46/85,284.82 = 33,506.16/x
  3. Step 3: Cross multiply
    61,800.46x = 85,284.82 × 33,506.16
  4. Step 4: Simplify right side
    61,800.46x = 2,857,566,824.49
  5. Step 5: Solve for x
    x = 2,857,566,824.49/61,800.46
  6. Step 6: Final answer
    x = 46,238.60

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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.