Home / 30,322.58-41,822.79-20,246.18

Finding the Fourth Proportional to 30,322.58, 41,822.79 and 20,246.18

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Solution

The fourth proportional to 30,322.58, 41,822.79 and 20,246.18 is: 27,924.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,322.58 : 41,822.79 = 20,246.18 : x
  2. Step 2: Convert to fraction form
    30,322.58/41,822.79 = 20,246.18/x
  3. Step 3: Cross multiply
    30,322.58x = 41,822.79 × 20,246.18
  4. Step 4: Simplify right side
    30,322.58x = 846,751,525.33
  5. Step 5: Solve for x
    x = 846,751,525.33/30,322.58
  6. Step 6: Final answer
    x = 27,924.79

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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.