Home / 30,217.23-45,325.85-9,440.73

Finding the Fourth Proportional to 30,217.23, 45,325.85 and 9,440.73

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Solution

The fourth proportional to 30,217.23, 45,325.85 and 9,440.73 is: 14,161.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,217.23 : 45,325.85 = 9,440.73 : x
  2. Step 2: Convert to fraction form
    30,217.23/45,325.85 = 9,440.73/x
  3. Step 3: Cross multiply
    30,217.23x = 45,325.85 × 9,440.73
  4. Step 4: Simplify right side
    30,217.23x = 427,909,064.67
  5. Step 5: Solve for x
    x = 427,909,064.67/30,217.23
  6. Step 6: Final answer
    x = 14,161.10

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Double scale
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Similar ratio
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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.