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Finding the Fourth Proportional to 55,176.60, 82,799.10 and 28,900.20

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Solution

The fourth proportional to 55,176.60, 82,799.10 and 28,900.20 is: 43,368.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,176.60 : 82,799.10 = 28,900.20 : x
  2. Step 2: Convert to fraction form
    55,176.60/82,799.10 = 28,900.20/x
  3. Step 3: Cross multiply
    55,176.60x = 82,799.10 × 28,900.20
  4. Step 4: Simplify right side
    55,176.60x = 2,392,910,549.82
  5. Step 5: Solve for x
    x = 2,392,910,549.82/55,176.60
  6. Step 6: Final answer
    x = 43,368.21

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.