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Finding the Fourth Proportional to 30,599.50, 45,900.18 and 9,540.30

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Solution

The fourth proportional to 30,599.50, 45,900.18 and 9,540.30 is: 14,310.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,599.50 : 45,900.18 = 9,540.30 : x
  2. Step 2: Convert to fraction form
    30,599.50/45,900.18 = 9,540.30/x
  3. Step 3: Cross multiply
    30,599.50x = 45,900.18 × 9,540.30
  4. Step 4: Simplify right side
    30,599.50x = 437,901,487.25
  5. Step 5: Solve for x
    x = 437,901,487.25/30,599.50
  6. Step 6: Final answer
    x = 14,310.74

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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.