Home / 37,161-51,288.66-21,246.12

Finding the Fourth Proportional to 37,161, 51,288.66 and 21,246.12

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Solution

The fourth proportional to 37,161, 51,288.66 and 21,246.12 is: 29,323.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,161 : 51,288.66 = 21,246.12 : x
  2. Step 2: Convert to fraction form
    37,161/51,288.66 = 21,246.12/x
  3. Step 3: Cross multiply
    37,161x = 51,288.66 × 21,246.12
  4. Step 4: Simplify right side
    37,161x = 1,089,685,025.00
  5. Step 5: Solve for x
    x = 1,089,685,025.00/37,161
  6. Step 6: Final answer
    x = 29,323.35

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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.