Home / 38,458.41-57,693.69-12,169.32

Finding the Fourth Proportional to 38,458.41, 57,693.69 and 12,169.32

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Solution

The fourth proportional to 38,458.41, 57,693.69 and 12,169.32 is: 18,255.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,458.41 : 57,693.69 = 12,169.32 : x
  2. Step 2: Convert to fraction form
    38,458.41/57,693.69 = 12,169.32/x
  3. Step 3: Cross multiply
    38,458.41x = 57,693.69 × 12,169.32
  4. Step 4: Simplify right side
    38,458.41x = 702,092,975.59
  5. Step 5: Solve for x
    x = 702,092,975.59/38,458.41
  6. Step 6: Final answer
    x = 18,255.90

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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.