Home / 38,608.26-53,275.56-21,611.52

Finding the Fourth Proportional to 38,608.26, 53,275.56 and 21,611.52

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Solution

The fourth proportional to 38,608.26, 53,275.56 and 21,611.52 is: 29,821.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,608.26 : 53,275.56 = 21,611.52 : x
  2. Step 2: Convert to fraction form
    38,608.26/53,275.56 = 21,611.52/x
  3. Step 3: Cross multiply
    38,608.26x = 53,275.56 × 21,611.52
  4. Step 4: Simplify right side
    38,608.26x = 1,151,365,830.45
  5. Step 5: Solve for x
    x = 1,151,365,830.45/38,608.26
  6. Step 6: Final answer
    x = 29,821.75

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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.