Home / 38,825.40-53,579.67-21,833.22

Finding the Fourth Proportional to 38,825.40, 53,579.67 and 21,833.22

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Solution

The fourth proportional to 38,825.40, 53,579.67 and 21,833.22 is: 30,130.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,825.40 : 53,579.67 = 21,833.22 : x
  2. Step 2: Convert to fraction form
    38,825.40/53,579.67 = 21,833.22/x
  3. Step 3: Cross multiply
    38,825.40x = 53,579.67 × 21,833.22
  4. Step 4: Simplify right side
    38,825.40x = 1,169,816,722.64
  5. Step 5: Solve for x
    x = 1,169,816,722.64/38,825.40
  6. Step 6: Final answer
    x = 30,130.19

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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.