Home / 38,974.21-53,748.53-25,540.58

Finding the Fourth Proportional to 38,974.21, 53,748.53 and 25,540.58

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Solution

The fourth proportional to 38,974.21, 53,748.53 and 25,540.58 is: 35,222.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,974.21 : 53,748.53 = 25,540.58 : x
  2. Step 2: Convert to fraction form
    38,974.21/53,748.53 = 25,540.58/x
  3. Step 3: Cross multiply
    38,974.21x = 53,748.53 × 25,540.58
  4. Step 4: Simplify right side
    38,974.21x = 1,372,768,828.57
  5. Step 5: Solve for x
    x = 1,372,768,828.57/38,974.21
  6. Step 6: Final answer
    x = 35,222.49

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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.