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Finding the Fourth Proportional to 34,676.60, 52,014.90 and 12,490.70

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Solution

The fourth proportional to 34,676.60, 52,014.90 and 12,490.70 is: 18,736.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,676.60 : 52,014.90 = 12,490.70 : x
  2. Step 2: Convert to fraction form
    34,676.60/52,014.90 = 12,490.70/x
  3. Step 3: Cross multiply
    34,676.60x = 52,014.90 × 12,490.70
  4. Step 4: Simplify right side
    34,676.60x = 649,702,511.43
  5. Step 5: Solve for x
    x = 649,702,511.43/34,676.60
  6. Step 6: Final answer
    x = 18,736.05

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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.