Home / 36,218.56-49,987.68-21,113.60

Finding the Fourth Proportional to 36,218.56, 49,987.68 and 21,113.60

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Solution

The fourth proportional to 36,218.56, 49,987.68 and 21,113.60 is: 29,140.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,218.56 : 49,987.68 = 21,113.60 : x
  2. Step 2: Convert to fraction form
    36,218.56/49,987.68 = 21,113.60/x
  3. Step 3: Cross multiply
    36,218.56x = 49,987.68 × 21,113.60
  4. Step 4: Simplify right side
    36,218.56x = 1,055,419,880.45
  5. Step 5: Solve for x
    x = 1,055,419,880.45/36,218.56
  6. Step 6: Final answer
    x = 29,140.30

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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.