Home / 34,505.64-51,769.40-12,318.54

Finding the Fourth Proportional to 34,505.64, 51,769.40 and 12,318.54

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Solution

The fourth proportional to 34,505.64, 51,769.40 and 12,318.54 is: 18,481.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,505.64 : 51,769.40 = 12,318.54 : x
  2. Step 2: Convert to fraction form
    34,505.64/51,769.40 = 12,318.54/x
  3. Step 3: Cross multiply
    34,505.64x = 51,769.40 × 12,318.54
  4. Step 4: Simplify right side
    34,505.64x = 637,723,424.68
  5. Step 5: Solve for x
    x = 637,723,424.68/34,505.64
  6. Step 6: Final answer
    x = 18,481.72

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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.