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Finding the Fourth Proportional to 55,052.56, 75,972.84 and 32,696.08

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Solution

The fourth proportional to 55,052.56, 75,972.84 and 32,696.08 is: 45,120.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,052.56 : 75,972.84 = 32,696.08 : x
  2. Step 2: Convert to fraction form
    55,052.56/75,972.84 = 32,696.08/x
  3. Step 3: Cross multiply
    55,052.56x = 75,972.84 × 32,696.08
  4. Step 4: Simplify right side
    55,052.56x = 2,484,014,054.47
  5. Step 5: Solve for x
    x = 2,484,014,054.47/55,052.56
  6. Step 6: Final answer
    x = 45,120.77

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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.