Home / 37,111.78-51,216.69-20,973.43

Finding the Fourth Proportional to 37,111.78, 51,216.69 and 20,973.43

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Solution

The fourth proportional to 37,111.78, 51,216.69 and 20,973.43 is: 28,944.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,111.78 : 51,216.69 = 20,973.43 : x
  2. Step 2: Convert to fraction form
    37,111.78/51,216.69 = 20,973.43/x
  3. Step 3: Cross multiply
    37,111.78x = 51,216.69 × 20,973.43
  4. Step 4: Simplify right side
    37,111.78x = 1,074,189,662.55
  5. Step 5: Solve for x
    x = 1,074,189,662.55/37,111.78
  6. Step 6: Final answer
    x = 28,944.71

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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.