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Finding the Fourth Proportional to 61,416.52, 84,741.06 and 36,252.52

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Solution

The fourth proportional to 61,416.52, 84,741.06 and 36,252.52 is: 50,020.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,416.52 : 84,741.06 = 36,252.52 : x
  2. Step 2: Convert to fraction form
    61,416.52/84,741.06 = 36,252.52/x
  3. Step 3: Cross multiply
    61,416.52x = 84,741.06 × 36,252.52
  4. Step 4: Simplify right side
    61,416.52x = 3,072,076,972.47
  5. Step 5: Solve for x
    x = 3,072,076,972.47/61,416.52
  6. Step 6: Final answer
    x = 50,020.37

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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.