Home / 65,357.21-98,033.79-18,610.09

Finding the Fourth Proportional to 65,357.21, 98,033.79 and 18,610.09

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Solution

The fourth proportional to 65,357.21, 98,033.79 and 18,610.09 is: 27,914.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,357.21 : 98,033.79 = 18,610.09 : x
  2. Step 2: Convert to fraction form
    65,357.21/98,033.79 = 18,610.09/x
  3. Step 3: Cross multiply
    65,357.21x = 98,033.79 × 18,610.09
  4. Step 4: Simplify right side
    65,357.21x = 1,824,417,479.64
  5. Step 5: Solve for x
    x = 1,824,417,479.64/65,357.21
  6. Step 6: Final answer
    x = 27,914.55

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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.