Home / 39,016.62-53,842.97-21,111.59

Finding the Fourth Proportional to 39,016.62, 53,842.97 and 21,111.59

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Solution

The fourth proportional to 39,016.62, 53,842.97 and 21,111.59 is: 29,134.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,016.62 : 53,842.97 = 21,111.59 : x
  2. Step 2: Convert to fraction form
    39,016.62/53,842.97 = 21,111.59/x
  3. Step 3: Cross multiply
    39,016.62x = 53,842.97 × 21,111.59
  4. Step 4: Simplify right side
    39,016.62x = 1,136,710,707.02
  5. Step 5: Solve for x
    x = 1,136,710,707.02/39,016.62
  6. Step 6: Final answer
    x = 29,134.01

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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.