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Finding the Fourth Proportional to 30,793.64, 46,190.45 and 17,636.81

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Solution

The fourth proportional to 30,793.64, 46,190.45 and 17,636.81 is: 26,455.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,793.64 : 46,190.45 = 17,636.81 : x
  2. Step 2: Convert to fraction form
    30,793.64/46,190.45 = 17,636.81/x
  3. Step 3: Cross multiply
    30,793.64x = 46,190.45 × 17,636.81
  4. Step 4: Simplify right side
    30,793.64x = 814,652,003.60
  5. Step 5: Solve for x
    x = 814,652,003.60/30,793.64
  6. Step 6: Final answer
    x = 26,455.21

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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.