Home / 39,016.36-53,842.19-21,110.97

Finding the Fourth Proportional to 39,016.36, 53,842.19 and 21,110.97

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Solution

The fourth proportional to 39,016.36, 53,842.19 and 21,110.97 is: 29,132.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,016.36 : 53,842.19 = 21,110.97 : x
  2. Step 2: Convert to fraction form
    39,016.36/53,842.19 = 21,110.97/x
  3. Step 3: Cross multiply
    39,016.36x = 53,842.19 × 21,110.97
  4. Step 4: Simplify right side
    39,016.36x = 1,136,660,910.60
  5. Step 5: Solve for x
    x = 1,136,660,910.60/39,016.36
  6. Step 6: Final answer
    x = 29,132.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.