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Finding the Fourth Proportional to 61,566.84, 84,954.68 and 34,336.56

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Solution

The fourth proportional to 61,566.84, 84,954.68 and 34,336.56 is: 47,380.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,566.84 : 84,954.68 = 34,336.56 : x
  2. Step 2: Convert to fraction form
    61,566.84/84,954.68 = 34,336.56/x
  3. Step 3: Cross multiply
    61,566.84x = 84,954.68 × 34,336.56
  4. Step 4: Simplify right side
    61,566.84x = 2,917,051,467.10
  5. Step 5: Solve for x
    x = 2,917,051,467.10/61,566.84
  6. Step 6: Final answer
    x = 47,380.24

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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.