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Finding the Fourth Proportional to 34,998.55, 48,296.96 and 19,892.86

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Solution

The fourth proportional to 34,998.55, 48,296.96 and 19,892.86 is: 27,451.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,998.55 : 48,296.96 = 19,892.86 : x
  2. Step 2: Convert to fraction form
    34,998.55/48,296.96 = 19,892.86/x
  3. Step 3: Cross multiply
    34,998.55x = 48,296.96 × 19,892.86
  4. Step 4: Simplify right side
    34,998.55x = 960,764,518.10
  5. Step 5: Solve for x
    x = 960,764,518.10/34,998.55
  6. Step 6: Final answer
    x = 27,451.55

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1.5x scale

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.