Home / 36,687.40-54,998.70-21,880.60

Finding the Fourth Proportional to 36,687.40, 54,998.70 and 21,880.60

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Solution

The fourth proportional to 36,687.40, 54,998.70 and 21,880.60 is: 32,801.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,687.40 : 54,998.70 = 21,880.60 : x
  2. Step 2: Convert to fraction form
    36,687.40/54,998.70 = 21,880.60/x
  3. Step 3: Cross multiply
    36,687.40x = 54,998.70 × 21,880.60
  4. Step 4: Simplify right side
    36,687.40x = 1,203,404,555.22
  5. Step 5: Solve for x
    x = 1,203,404,555.22/36,687.40
  6. Step 6: Final answer
    x = 32,801.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.