Home / 37,673.66-51,990.31-20,679.49

Finding the Fourth Proportional to 37,673.66, 51,990.31 and 20,679.49

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Solution

The fourth proportional to 37,673.66, 51,990.31 and 20,679.49 is: 28,538.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,673.66 : 51,990.31 = 20,679.49 : x
  2. Step 2: Convert to fraction form
    37,673.66/51,990.31 = 20,679.49/x
  3. Step 3: Cross multiply
    37,673.66x = 51,990.31 × 20,679.49
  4. Step 4: Simplify right side
    37,673.66x = 1,075,132,997.15
  5. Step 5: Solve for x
    x = 1,075,132,997.15/37,673.66
  6. Step 6: Final answer
    x = 28,538.06

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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.