Home / 34,665.41-51,998.11-12,478.29

Finding the Fourth Proportional to 34,665.41, 51,998.11 and 12,478.29

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Solution

The fourth proportional to 34,665.41, 51,998.11 and 12,478.29 is: 18,717.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,665.41 : 51,998.11 = 12,478.29 : x
  2. Step 2: Convert to fraction form
    34,665.41/51,998.11 = 12,478.29/x
  3. Step 3: Cross multiply
    34,665.41x = 51,998.11 × 12,478.29
  4. Step 4: Simplify right side
    34,665.41x = 648,847,464.84
  5. Step 5: Solve for x
    x = 648,847,464.84/34,665.41
  6. Step 6: Final answer
    x = 18,717.44

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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.