Home / 38,429.60-57,625.20-17,629.60

Finding the Fourth Proportional to 38,429.60, 57,625.20 and 17,629.60

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Solution

The fourth proportional to 38,429.60, 57,625.20 and 17,629.60 is: 26,435.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,429.60 : 57,625.20 = 17,629.60 : x
  2. Step 2: Convert to fraction form
    38,429.60/57,625.20 = 17,629.60/x
  3. Step 3: Cross multiply
    38,429.60x = 57,625.20 × 17,629.60
  4. Step 4: Simplify right side
    38,429.60x = 1,015,909,225.92
  5. Step 5: Solve for x
    x = 1,015,909,225.92/38,429.60
  6. Step 6: Final answer
    x = 26,435.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.