Home / 37,965.81-52,392.83-21,198.81

Finding the Fourth Proportional to 37,965.81, 52,392.83 and 21,198.81

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Solution

The fourth proportional to 37,965.81, 52,392.83 and 21,198.81 is: 29,254.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,965.81 : 52,392.83 = 21,198.81 : x
  2. Step 2: Convert to fraction form
    37,965.81/52,392.83 = 21,198.81/x
  3. Step 3: Cross multiply
    37,965.81x = 52,392.83 × 21,198.81
  4. Step 4: Simplify right side
    37,965.81x = 1,110,665,739.01
  5. Step 5: Solve for x
    x = 1,110,665,739.01/37,965.81
  6. Step 6: Final answer
    x = 29,254.36

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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.