Home / 30,187.55-41,660.19-16,759.00

Finding the Fourth Proportional to 30,187.55, 41,660.19 and 16,759.00

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Solution

The fourth proportional to 30,187.55, 41,660.19 and 16,759.00 is: 23,128.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,187.55 : 41,660.19 = 16,759.00 : x
  2. Step 2: Convert to fraction form
    30,187.55/41,660.19 = 16,759.00/x
  3. Step 3: Cross multiply
    30,187.55x = 41,660.19 × 16,759.00
  4. Step 4: Simplify right side
    30,187.55x = 698,183,176.29
  5. Step 5: Solve for x
    x = 698,183,176.29/30,187.55
  6. Step 6: Final answer
    x = 23,128.18

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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.