Home / 33,803.20-46,647.48-18,489.12

Finding the Fourth Proportional to 33,803.20, 46,647.48 and 18,489.12

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Solution

The fourth proportional to 33,803.20, 46,647.48 and 18,489.12 is: 25,514.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,803.20 : 46,647.48 = 18,489.12 : x
  2. Step 2: Convert to fraction form
    33,803.20/46,647.48 = 18,489.12/x
  3. Step 3: Cross multiply
    33,803.20x = 46,647.48 × 18,489.12
  4. Step 4: Simplify right side
    33,803.20x = 862,470,855.42
  5. Step 5: Solve for x
    x = 862,470,855.42/33,803.20
  6. Step 6: Final answer
    x = 25,514.47

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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.