Home / 30,160.33-41,607.61-18,832.66

Finding the Fourth Proportional to 30,160.33, 41,607.61 and 18,832.66

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Solution

The fourth proportional to 30,160.33, 41,607.61 and 18,832.66 is: 25,980.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,160.33 : 41,607.61 = 18,832.66 : x
  2. Step 2: Convert to fraction form
    30,160.33/41,607.61 = 18,832.66/x
  3. Step 3: Cross multiply
    30,160.33x = 41,607.61 × 18,832.66
  4. Step 4: Simplify right side
    30,160.33x = 783,581,821.44
  5. Step 5: Solve for x
    x = 783,581,821.44/30,160.33
  6. Step 6: Final answer
    x = 25,980.55

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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.