Home / 39,016.67-53,842.62-21,111.29

Finding the Fourth Proportional to 39,016.67, 53,842.62 and 21,111.29

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Solution

The fourth proportional to 39,016.67, 53,842.62 and 21,111.29 is: 29,133.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,016.67 : 53,842.62 = 21,111.29 : x
  2. Step 2: Convert to fraction form
    39,016.67/53,842.62 = 21,111.29/x
  3. Step 3: Cross multiply
    39,016.67x = 53,842.62 × 21,111.29
  4. Step 4: Simplify right side
    39,016.67x = 1,136,686,790.41
  5. Step 5: Solve for x
    x = 1,136,686,790.41/39,016.67
  6. Step 6: Final answer
    x = 29,133.36

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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.