Home / 30,313.32-41,858.81-19,002.23

Finding the Fourth Proportional to 30,313.32, 41,858.81 and 19,002.23

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Solution

The fourth proportional to 30,313.32, 41,858.81 and 19,002.23 is: 26,239.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,313.32 : 41,858.81 = 19,002.23 : x
  2. Step 2: Convert to fraction form
    30,313.32/41,858.81 = 19,002.23/x
  3. Step 3: Cross multiply
    30,313.32x = 41,858.81 × 19,002.23
  4. Step 4: Simplify right side
    30,313.32x = 795,410,735.15
  5. Step 5: Solve for x
    x = 795,410,735.15/30,313.32
  6. Step 6: Final answer
    x = 26,239.64

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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.