Home / 37,405.26-51,618.96-20,409.12

Finding the Fourth Proportional to 37,405.26, 51,618.96 and 20,409.12

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Solution

The fourth proportional to 37,405.26, 51,618.96 and 20,409.12 is: 28,164.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,405.26 : 51,618.96 = 20,409.12 : x
  2. Step 2: Convert to fraction form
    37,405.26/51,618.96 = 20,409.12/x
  3. Step 3: Cross multiply
    37,405.26x = 51,618.96 × 20,409.12
  4. Step 4: Simplify right side
    37,405.26x = 1,053,497,548.92
  5. Step 5: Solve for x
    x = 1,053,497,548.92/37,405.26
  6. Step 6: Final answer
    x = 28,164.42

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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.