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Finding the Fourth Proportional to 30,104.55, 45,200.03 and 16,982.55

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Solution

The fourth proportional to 30,104.55, 45,200.03 and 16,982.55 is: 25,498.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,104.55 : 45,200.03 = 16,982.55 : x
  2. Step 2: Convert to fraction form
    30,104.55/45,200.03 = 16,982.55/x
  3. Step 3: Cross multiply
    30,104.55x = 45,200.03 × 16,982.55
  4. Step 4: Simplify right side
    30,104.55x = 767,611,684.56
  5. Step 5: Solve for x
    x = 767,611,684.56/30,104.55
  6. Step 6: Final answer
    x = 25,498.19

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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.