Home / 30,601.56-42,218.10-17,673.96

Finding the Fourth Proportional to 30,601.56, 42,218.10 and 17,673.96

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Solution

The fourth proportional to 30,601.56, 42,218.10 and 17,673.96 is: 24,383.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,601.56 : 42,218.10 = 17,673.96 : x
  2. Step 2: Convert to fraction form
    30,601.56/42,218.10 = 17,673.96/x
  3. Step 3: Cross multiply
    30,601.56x = 42,218.10 × 17,673.96
  4. Step 4: Simplify right side
    30,601.56x = 746,161,010.68
  5. Step 5: Solve for x
    x = 746,161,010.68/30,601.56
  6. Step 6: Final answer
    x = 24,383.10

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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.