Home / 45,530.53-68,295.55-12,247.89

Finding the Fourth Proportional to 45,530.53, 68,295.55 and 12,247.89

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Solution

The fourth proportional to 45,530.53, 68,295.55 and 12,247.89 is: 18,371.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,530.53 : 68,295.55 = 12,247.89 : x
  2. Step 2: Convert to fraction form
    45,530.53/68,295.55 = 12,247.89/x
  3. Step 3: Cross multiply
    45,530.53x = 68,295.55 × 12,247.89
  4. Step 4: Simplify right side
    45,530.53x = 836,476,383.89
  5. Step 5: Solve for x
    x = 836,476,383.89/45,530.53
  6. Step 6: Final answer
    x = 18,371.77

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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.