Home / 30,183.17-41,667.77-18,858.95

Finding the Fourth Proportional to 30,183.17, 41,667.77 and 18,858.95

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Solution

The fourth proportional to 30,183.17, 41,667.77 and 18,858.95 is: 26,034.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,183.17 : 41,667.77 = 18,858.95 : x
  2. Step 2: Convert to fraction form
    30,183.17/41,667.77 = 18,858.95/x
  3. Step 3: Cross multiply
    30,183.17x = 41,667.77 × 18,858.95
  4. Step 4: Simplify right side
    30,183.17x = 785,810,088.41
  5. Step 5: Solve for x
    x = 785,810,088.41/30,183.17
  6. Step 6: Final answer
    x = 26,034.71

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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.