Home / 45,426.94-68,137.53-21,751.36

Finding the Fourth Proportional to 45,426.94, 68,137.53 and 21,751.36

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Solution

The fourth proportional to 45,426.94, 68,137.53 and 21,751.36 is: 32,625.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,426.94 : 68,137.53 = 21,751.36 : x
  2. Step 2: Convert to fraction form
    45,426.94/68,137.53 = 21,751.36/x
  3. Step 3: Cross multiply
    45,426.94x = 68,137.53 × 21,751.36
  4. Step 4: Simplify right side
    45,426.94x = 1,482,083,944.54
  5. Step 5: Solve for x
    x = 1,482,083,944.54/45,426.94
  6. Step 6: Final answer
    x = 32,625.66

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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.