Home / 34,505.27-51,768.84-12,318.17

Finding the Fourth Proportional to 34,505.27, 51,768.84 and 12,318.17

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Solution

The fourth proportional to 34,505.27, 51,768.84 and 12,318.17 is: 18,481.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,505.27 : 51,768.84 = 12,318.17 : x
  2. Step 2: Convert to fraction form
    34,505.27/51,768.84 = 12,318.17/x
  3. Step 3: Cross multiply
    34,505.27x = 51,768.84 × 12,318.17
  4. Step 4: Simplify right side
    34,505.27x = 637,697,371.82
  5. Step 5: Solve for x
    x = 637,697,371.82/34,505.27
  6. Step 6: Final answer
    x = 18,481.16

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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.