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Finding the Fourth Proportional to 55,798.86, 76,949.54 and 44,505.30

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Solution

The fourth proportional to 55,798.86, 76,949.54 and 44,505.30 is: 61,375.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,798.86 : 76,949.54 = 44,505.30 : x
  2. Step 2: Convert to fraction form
    55,798.86/76,949.54 = 44,505.30/x
  3. Step 3: Cross multiply
    55,798.86x = 76,949.54 × 44,505.30
  4. Step 4: Simplify right side
    55,798.86x = 3,424,662,362.56
  5. Step 5: Solve for x
    x = 3,424,662,362.56/55,798.86
  6. Step 6: Final answer
    x = 61,375.13

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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.