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Finding the Fourth Proportional to 55,504, 76,595.58 and 30,353.56

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Solution

The fourth proportional to 55,504, 76,595.58 and 30,353.56 is: 41,887.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,504 : 76,595.58 = 30,353.56 : x
  2. Step 2: Convert to fraction form
    55,504/76,595.58 = 30,353.56/x
  3. Step 3: Cross multiply
    55,504x = 76,595.58 × 30,353.56
  4. Step 4: Simplify right side
    55,504x = 2,324,948,533.26
  5. Step 5: Solve for x
    x = 2,324,948,533.26/55,504
  6. Step 6: Final answer
    x = 41,887.95

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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.