Home / 36,300.64-54,438.68-13,805.97

Finding the Fourth Proportional to 36,300.64, 54,438.68 and 13,805.97

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Solution

The fourth proportional to 36,300.64, 54,438.68 and 13,805.97 is: 20,704.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,300.64 : 54,438.68 = 13,805.97 : x
  2. Step 2: Convert to fraction form
    36,300.64/54,438.68 = 13,805.97/x
  3. Step 3: Cross multiply
    36,300.64x = 54,438.68 × 13,805.97
  4. Step 4: Simplify right side
    36,300.64x = 751,578,782.92
  5. Step 5: Solve for x
    x = 751,578,782.92/36,300.64
  6. Step 6: Final answer
    x = 20,704.28

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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.