Home / 38,573.42-53,236.24-21,578.60

Finding the Fourth Proportional to 38,573.42, 53,236.24 and 21,578.60

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Solution

The fourth proportional to 38,573.42, 53,236.24 and 21,578.60 is: 29,781.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,573.42 : 53,236.24 = 21,578.60 : x
  2. Step 2: Convert to fraction form
    38,573.42/53,236.24 = 21,578.60/x
  3. Step 3: Cross multiply
    38,573.42x = 53,236.24 × 21,578.60
  4. Step 4: Simplify right side
    38,573.42x = 1,148,763,528.46
  5. Step 5: Solve for x
    x = 1,148,763,528.46/38,573.42
  6. Step 6: Final answer
    x = 29,781.22

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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.