Home / 51,489.90-77,234.85-16,433.10

Finding the Fourth Proportional to 51,489.90, 77,234.85 and 16,433.10

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Solution

The fourth proportional to 51,489.90, 77,234.85 and 16,433.10 is: 24,649.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,489.90 : 77,234.85 = 16,433.10 : x
  2. Step 2: Convert to fraction form
    51,489.90/77,234.85 = 16,433.10/x
  3. Step 3: Cross multiply
    51,489.90x = 77,234.85 × 16,433.10
  4. Step 4: Simplify right side
    51,489.90x = 1,269,208,013.54
  5. Step 5: Solve for x
    x = 1,269,208,013.54/51,489.90
  6. Step 6: Final answer
    x = 24,649.65

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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.