Home / 30,593.90-42,218.89-17,164.85

Finding the Fourth Proportional to 30,593.90, 42,218.89 and 17,164.85

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Solution

The fourth proportional to 30,593.90, 42,218.89 and 17,164.85 is: 23,687.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,593.90 : 42,218.89 = 17,164.85 : x
  2. Step 2: Convert to fraction form
    30,593.90/42,218.89 = 17,164.85/x
  3. Step 3: Cross multiply
    30,593.90x = 42,218.89 × 17,164.85
  4. Step 4: Simplify right side
    30,593.90x = 724,680,660.01
  5. Step 5: Solve for x
    x = 724,680,660.01/30,593.90
  6. Step 6: Final answer
    x = 23,687.09

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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.