Home / 37,047.78-51,126.26-21,133.04

Finding the Fourth Proportional to 37,047.78, 51,126.26 and 21,133.04

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Solution

The fourth proportional to 37,047.78, 51,126.26 and 21,133.04 is: 29,163.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,047.78 : 51,126.26 = 21,133.04 : x
  2. Step 2: Convert to fraction form
    37,047.78/51,126.26 = 21,133.04/x
  3. Step 3: Cross multiply
    37,047.78x = 51,126.26 × 21,133.04
  4. Step 4: Simplify right side
    37,047.78x = 1,080,452,936.33
  5. Step 5: Solve for x
    x = 1,080,452,936.33/37,047.78
  6. Step 6: Final answer
    x = 29,163.77

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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.