Home / 38,584.79-53,249.07-21,588.02

Finding the Fourth Proportional to 38,584.79, 53,249.07 and 21,588.02

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Solution

The fourth proportional to 38,584.79, 53,249.07 and 21,588.02 is: 29,792.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,584.79 : 53,249.07 = 21,588.02 : x
  2. Step 2: Convert to fraction form
    38,584.79/53,249.07 = 21,588.02/x
  3. Step 3: Cross multiply
    38,584.79x = 53,249.07 × 21,588.02
  4. Step 4: Simplify right side
    38,584.79x = 1,149,541,721.90
  5. Step 5: Solve for x
    x = 1,149,541,721.90/38,584.79
  6. Step 6: Final answer
    x = 29,792.62

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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.