Home / 30,383.56-41,918.10-17,803.72

Finding the Fourth Proportional to 30,383.56, 41,918.10 and 17,803.72

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Solution

The fourth proportional to 30,383.56, 41,918.10 and 17,803.72 is: 24,562.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,383.56 : 41,918.10 = 17,803.72 : x
  2. Step 2: Convert to fraction form
    30,383.56/41,918.10 = 17,803.72/x
  3. Step 3: Cross multiply
    30,383.56x = 41,918.10 × 17,803.72
  4. Step 4: Simplify right side
    30,383.56x = 746,298,115.33
  5. Step 5: Solve for x
    x = 746,298,115.33/30,383.56
  6. Step 6: Final answer
    x = 24,562.56

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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.