Home / 38,608.06-53,279.14-21,612.33

Finding the Fourth Proportional to 38,608.06, 53,279.14 and 21,612.33

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Solution

The fourth proportional to 38,608.06, 53,279.14 and 21,612.33 is: 29,825.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,608.06 : 53,279.14 = 21,612.33 : x
  2. Step 2: Convert to fraction form
    38,608.06/53,279.14 = 21,612.33/x
  3. Step 3: Cross multiply
    38,608.06x = 53,279.14 × 21,612.33
  4. Step 4: Simplify right side
    38,608.06x = 1,151,486,434.96
  5. Step 5: Solve for x
    x = 1,151,486,434.96/38,608.06
  6. Step 6: Final answer
    x = 29,825.03

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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.