Home / 37,409.75-51,626.54-20,643.83

Finding the Fourth Proportional to 37,409.75, 51,626.54 and 20,643.83

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Solution

The fourth proportional to 37,409.75, 51,626.54 and 20,643.83 is: 28,489.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,409.75 : 51,626.54 = 20,643.83 : x
  2. Step 2: Convert to fraction form
    37,409.75/51,626.54 = 20,643.83/x
  3. Step 3: Cross multiply
    37,409.75x = 51,626.54 × 20,643.83
  4. Step 4: Simplify right side
    37,409.75x = 1,065,769,515.25
  5. Step 5: Solve for x
    x = 1,065,769,515.25/37,409.75
  6. Step 6: Final answer
    x = 28,489.08

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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.