Home / 65,419.07-98,062.99-30,383.33

Finding the Fourth Proportional to 65,419.07, 98,062.99 and 30,383.33

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Solution

The fourth proportional to 65,419.07, 98,062.99 and 30,383.33 is: 45,544.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,419.07 : 98,062.99 = 30,383.33 : x
  2. Step 2: Convert to fraction form
    65,419.07/98,062.99 = 30,383.33/x
  3. Step 3: Cross multiply
    65,419.07x = 98,062.99 × 30,383.33
  4. Step 4: Simplify right side
    65,419.07x = 2,979,479,619.68
  5. Step 5: Solve for x
    x = 2,979,479,619.68/65,419.07
  6. Step 6: Final answer
    x = 45,544.52

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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.