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Finding the Fourth Proportional to 61,546.60, 84,946.08 and 36,058.60

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Solution

The fourth proportional to 61,546.60, 84,946.08 and 36,058.60 is: 49,767.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,546.60 : 84,946.08 = 36,058.60 : x
  2. Step 2: Convert to fraction form
    61,546.60/84,946.08 = 36,058.60/x
  3. Step 3: Cross multiply
    61,546.60x = 84,946.08 × 36,058.60
  4. Step 4: Simplify right side
    61,546.60x = 3,063,036,720.29
  5. Step 5: Solve for x
    x = 3,063,036,720.29/61,546.60
  6. Step 6: Final answer
    x = 49,767.76

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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.