Home / 31,226.95-43,089.57-18,480.69

Finding the Fourth Proportional to 31,226.95, 43,089.57 and 18,480.69

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Solution

The fourth proportional to 31,226.95, 43,089.57 and 18,480.69 is: 25,501.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,226.95 : 43,089.57 = 18,480.69 : x
  2. Step 2: Convert to fraction form
    31,226.95/43,089.57 = 18,480.69/x
  3. Step 3: Cross multiply
    31,226.95x = 43,089.57 × 18,480.69
  4. Step 4: Simplify right side
    31,226.95x = 796,324,893.00
  5. Step 5: Solve for x
    x = 796,324,893.00/31,226.95
  6. Step 6: Final answer
    x = 25,501.21

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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.