Home / 30,911.06-46,351.44-21,555.56

Finding the Fourth Proportional to 30,911.06, 46,351.44 and 21,555.56

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Solution

The fourth proportional to 30,911.06, 46,351.44 and 21,555.56 is: 32,322.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,911.06 : 46,351.44 = 21,555.56 : x
  2. Step 2: Convert to fraction form
    30,911.06/46,351.44 = 21,555.56/x
  3. Step 3: Cross multiply
    30,911.06x = 46,351.44 × 21,555.56
  4. Step 4: Simplify right side
    30,911.06x = 999,131,246.01
  5. Step 5: Solve for x
    x = 999,131,246.01/30,911.06
  6. Step 6: Final answer
    x = 32,322.78

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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.