Home / 65,840.94-98,743.78-18,453.37

Finding the Fourth Proportional to 65,840.94, 98,743.78 and 18,453.37

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Solution

The fourth proportional to 65,840.94, 98,743.78 and 18,453.37 is: 27,675.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,840.94 : 98,743.78 = 18,453.37 : x
  2. Step 2: Convert to fraction form
    65,840.94/98,743.78 = 18,453.37/x
  3. Step 3: Cross multiply
    65,840.94x = 98,743.78 × 18,453.37
  4. Step 4: Simplify right side
    65,840.94x = 1,822,155,507.54
  5. Step 5: Solve for x
    x = 1,822,155,507.54/65,840.94
  6. Step 6: Final answer
    x = 27,675.11

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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.