Home / 38,124.41-57,185.06-18,143.60

Finding the Fourth Proportional to 38,124.41, 57,185.06 and 18,143.60

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Solution

The fourth proportional to 38,124.41, 57,185.06 and 18,143.60 is: 27,214.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,124.41 : 57,185.06 = 18,143.60 : x
  2. Step 2: Convert to fraction form
    38,124.41/57,185.06 = 18,143.60/x
  3. Step 3: Cross multiply
    38,124.41x = 57,185.06 × 18,143.60
  4. Step 4: Simplify right side
    38,124.41x = 1,037,542,477.97
  5. Step 5: Solve for x
    x = 1,037,542,477.97/38,124.41
  6. Step 6: Final answer
    x = 27,214.65

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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.