Home / 45,379.37-68,076.38-19,091.63

Finding the Fourth Proportional to 45,379.37, 68,076.38 and 19,091.63

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Solution

The fourth proportional to 45,379.37, 68,076.38 and 19,091.63 is: 28,640.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,379.37 : 68,076.38 = 19,091.63 : x
  2. Step 2: Convert to fraction form
    45,379.37/68,076.38 = 19,091.63/x
  3. Step 3: Cross multiply
    45,379.37x = 68,076.38 × 19,091.63
  4. Step 4: Simplify right side
    45,379.37x = 1,299,689,276.62
  5. Step 5: Solve for x
    x = 1,299,689,276.62/45,379.37
  6. Step 6: Final answer
    x = 28,640.53

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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.