Home / 30,794.82-46,192.25-7,421.28

Finding the Fourth Proportional to 30,794.82, 46,192.25 and 7,421.28

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Solution

The fourth proportional to 30,794.82, 46,192.25 and 7,421.28 is: 11,131.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,794.82 : 46,192.25 = 7,421.28 : x
  2. Step 2: Convert to fraction form
    30,794.82/46,192.25 = 7,421.28/x
  3. Step 3: Cross multiply
    30,794.82x = 46,192.25 × 7,421.28
  4. Step 4: Simplify right side
    30,794.82x = 342,805,621.08
  5. Step 5: Solve for x
    x = 342,805,621.08/30,794.82
  6. Step 6: Final answer
    x = 11,131.92

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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.