Home / 30,399.82-45,668.93-21,992.26

Finding the Fourth Proportional to 30,399.82, 45,668.93 and 21,992.26

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Solution

The fourth proportional to 30,399.82, 45,668.93 and 21,992.26 is: 33,038.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,399.82 : 45,668.93 = 21,992.26 : x
  2. Step 2: Convert to fraction form
    30,399.82/45,668.93 = 21,992.26/x
  3. Step 3: Cross multiply
    30,399.82x = 45,668.93 × 21,992.26
  4. Step 4: Simplify right side
    30,399.82x = 1,004,362,758.35
  5. Step 5: Solve for x
    x = 1,004,362,758.35/30,399.82
  6. Step 6: Final answer
    x = 33,038.45

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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.