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Finding the Fourth Proportional to 34,844.84, 48,078.98 and 20,500.84

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Solution

The fourth proportional to 34,844.84, 48,078.98 and 20,500.84 is: 28,287.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,844.84 : 48,078.98 = 20,500.84 : x
  2. Step 2: Convert to fraction form
    34,844.84/48,078.98 = 20,500.84/x
  3. Step 3: Cross multiply
    34,844.84x = 48,078.98 × 20,500.84
  4. Step 4: Simplify right side
    34,844.84x = 985,659,476.34
  5. Step 5: Solve for x
    x = 985,659,476.34/34,844.84
  6. Step 6: Final answer
    x = 28,287.10

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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.