Home / 37,982.55-52,418.38-20,986.79

Finding the Fourth Proportional to 37,982.55, 52,418.38 and 20,986.79

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Solution

The fourth proportional to 37,982.55, 52,418.38 and 20,986.79 is: 28,963.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,982.55 : 52,418.38 = 20,986.79 : x
  2. Step 2: Convert to fraction form
    37,982.55/52,418.38 = 20,986.79/x
  3. Step 3: Cross multiply
    37,982.55x = 52,418.38 × 20,986.79
  4. Step 4: Simplify right side
    37,982.55x = 1,100,093,533.20
  5. Step 5: Solve for x
    x = 1,100,093,533.20/37,982.55
  6. Step 6: Final answer
    x = 28,963.13

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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.