Home / 36,399.36-54,594.72-21,415.44

Finding the Fourth Proportional to 36,399.36, 54,594.72 and 21,415.44

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Solution

The fourth proportional to 36,399.36, 54,594.72 and 21,415.44 is: 32,120.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,399.36 : 54,594.72 = 21,415.44 : x
  2. Step 2: Convert to fraction form
    36,399.36/54,594.72 = 21,415.44/x
  3. Step 3: Cross multiply
    36,399.36x = 54,594.72 × 21,415.44
  4. Step 4: Simplify right side
    36,399.36x = 1,169,169,950.48
  5. Step 5: Solve for x
    x = 1,169,169,950.48/36,399.36
  6. Step 6: Final answer
    x = 32,120.62

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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.