Home / 45,640.18-68,430.97-19,004.64

Finding the Fourth Proportional to 45,640.18, 68,430.97 and 19,004.64

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Solution

The fourth proportional to 45,640.18, 68,430.97 and 19,004.64 is: 28,494.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,640.18 : 68,430.97 = 19,004.64 : x
  2. Step 2: Convert to fraction form
    45,640.18/68,430.97 = 19,004.64/x
  3. Step 3: Cross multiply
    45,640.18x = 68,430.97 × 19,004.64
  4. Step 4: Simplify right side
    45,640.18x = 1,300,505,949.70
  5. Step 5: Solve for x
    x = 1,300,505,949.70/45,640.18
  6. Step 6: Final answer
    x = 28,494.76

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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.