Home / 36,213.40-54,344.40-21,406.60

Finding the Fourth Proportional to 36,213.40, 54,344.40 and 21,406.60

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Solution

The fourth proportional to 36,213.40, 54,344.40 and 21,406.60 is: 32,124.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,213.40 : 54,344.40 = 21,406.60 : x
  2. Step 2: Convert to fraction form
    36,213.40/54,344.40 = 21,406.60/x
  3. Step 3: Cross multiply
    36,213.40x = 54,344.40 × 21,406.60
  4. Step 4: Simplify right side
    36,213.40x = 1,163,328,833.04
  5. Step 5: Solve for x
    x = 1,163,328,833.04/36,213.40
  6. Step 6: Final answer
    x = 32,124.26

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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.