Home / 30,432.96-45,649.68-8,246.52

Finding the Fourth Proportional to 30,432.96, 45,649.68 and 8,246.52

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Solution

The fourth proportional to 30,432.96, 45,649.68 and 8,246.52 is: 12,369.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,432.96 : 45,649.68 = 8,246.52 : x
  2. Step 2: Convert to fraction form
    30,432.96/45,649.68 = 8,246.52/x
  3. Step 3: Cross multiply
    30,432.96x = 45,649.68 × 8,246.52
  4. Step 4: Simplify right side
    30,432.96x = 376,450,999.11
  5. Step 5: Solve for x
    x = 376,450,999.11/30,432.96
  6. Step 6: Final answer
    x = 12,369.85

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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.