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Finding the Fourth Proportional to 61,349.29, 84,662.89 and 34,490.30

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Solution

The fourth proportional to 61,349.29, 84,662.89 and 34,490.30 is: 47,597.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,349.29 : 84,662.89 = 34,490.30 : x
  2. Step 2: Convert to fraction form
    61,349.29/84,662.89 = 34,490.30/x
  3. Step 3: Cross multiply
    61,349.29x = 84,662.89 × 34,490.30
  4. Step 4: Simplify right side
    61,349.29x = 2,920,047,965.43
  5. Step 5: Solve for x
    x = 2,920,047,965.43/61,349.29
  6. Step 6: Final answer
    x = 47,597.10

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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.