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Finding the Fourth Proportional to 46,494.80, 69,771 and 18,793.04

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Solution

The fourth proportional to 46,494.80, 69,771 and 18,793.04 is: 28,201.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,494.80 : 69,771 = 18,793.04 : x
  2. Step 2: Convert to fraction form
    46,494.80/69,771 = 18,793.04/x
  3. Step 3: Cross multiply
    46,494.80x = 69,771 × 18,793.04
  4. Step 4: Simplify right side
    46,494.80x = 1,311,209,193.84
  5. Step 5: Solve for x
    x = 1,311,209,193.84/46,494.80
  6. Step 6: Final answer
    x = 28,201.20

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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.