Home / 32,002.20-48,003.30-20,328.60

Finding the Fourth Proportional to 32,002.20, 48,003.30 and 20,328.60

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Solution

The fourth proportional to 32,002.20, 48,003.30 and 20,328.60 is: 30,492.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,002.20 : 48,003.30 = 20,328.60 : x
  2. Step 2: Convert to fraction form
    32,002.20/48,003.30 = 20,328.60/x
  3. Step 3: Cross multiply
    32,002.20x = 48,003.30 × 20,328.60
  4. Step 4: Simplify right side
    32,002.20x = 975,839,884.38
  5. Step 5: Solve for x
    x = 975,839,884.38/32,002.20
  6. Step 6: Final answer
    x = 30,492.90

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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.