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Finding the Fourth Proportional to 34,682.60, 52,014.30 and 13,908.20

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Solution

The fourth proportional to 34,682.60, 52,014.30 and 13,908.20 is: 20,858.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,682.60 : 52,014.30 = 13,908.20 : x
  2. Step 2: Convert to fraction form
    34,682.60/52,014.30 = 13,908.20/x
  3. Step 3: Cross multiply
    34,682.60x = 52,014.30 × 13,908.20
  4. Step 4: Simplify right side
    34,682.60x = 723,425,287.26
  5. Step 5: Solve for x
    x = 723,425,287.26/34,682.60
  6. Step 6: Final answer
    x = 20,858.45

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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.