Home / 37,739.16-52,079.49-21,825.09

Finding the Fourth Proportional to 37,739.16, 52,079.49 and 21,825.09

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Solution

The fourth proportional to 37,739.16, 52,079.49 and 21,825.09 is: 30,118.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,739.16 : 52,079.49 = 21,825.09 : x
  2. Step 2: Convert to fraction form
    37,739.16/52,079.49 = 21,825.09/x
  3. Step 3: Cross multiply
    37,739.16x = 52,079.49 × 21,825.09
  4. Step 4: Simplify right side
    37,739.16x = 1,136,639,556.40
  5. Step 5: Solve for x
    x = 1,136,639,556.40/37,739.16
  6. Step 6: Final answer
    x = 30,118.31

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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.