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Finding the Fourth Proportional to 52,906.96, 79,360.92 and 13,464.12

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Solution

The fourth proportional to 52,906.96, 79,360.92 and 13,464.12 is: 20,196.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,906.96 : 79,360.92 = 13,464.12 : x
  2. Step 2: Convert to fraction form
    52,906.96/79,360.92 = 13,464.12/x
  3. Step 3: Cross multiply
    52,906.96x = 79,360.92 × 13,464.12
  4. Step 4: Simplify right side
    52,906.96x = 1,068,524,950.19
  5. Step 5: Solve for x
    x = 1,068,524,950.19/52,906.96
  6. Step 6: Final answer
    x = 20,196.30

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1.5x scale

Why These Related Problems?

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