Home / 68,947.53-103,427.27-19,027.64

Finding the Fourth Proportional to 68,947.53, 103,427.27 and 19,027.64

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Solution

The fourth proportional to 68,947.53, 103,427.27 and 19,027.64 is: 28,543.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,947.53 : 103,427.27 = 19,027.64 : x
  2. Step 2: Convert to fraction form
    68,947.53/103,427.27 = 19,027.64/x
  3. Step 3: Cross multiply
    68,947.53x = 103,427.27 × 19,027.64
  4. Step 4: Simplify right side
    68,947.53x = 1,967,976,247.47
  5. Step 5: Solve for x
    x = 1,967,976,247.47/68,947.53
  6. Step 6: Final answer
    x = 28,543.10

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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.