Home / 38,721.33-53,451.81-26,163.09

Finding the Fourth Proportional to 38,721.33, 53,451.81 and 26,163.09

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Solution

The fourth proportional to 38,721.33, 53,451.81 and 26,163.09 is: 36,116.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,721.33 : 53,451.81 = 26,163.09 : x
  2. Step 2: Convert to fraction form
    38,721.33/53,451.81 = 26,163.09/x
  3. Step 3: Cross multiply
    38,721.33x = 53,451.81 × 26,163.09
  4. Step 4: Simplify right side
    38,721.33x = 1,398,464,515.69
  5. Step 5: Solve for x
    x = 1,398,464,515.69/38,721.33
  6. Step 6: Final answer
    x = 36,116.13

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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.