Home / 30,995.82-46,466.44-12,288.98

Finding the Fourth Proportional to 30,995.82, 46,466.44 and 12,288.98

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Solution

The fourth proportional to 30,995.82, 46,466.44 and 12,288.98 is: 18,422.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,995.82 : 46,466.44 = 12,288.98 : x
  2. Step 2: Convert to fraction form
    30,995.82/46,466.44 = 12,288.98/x
  3. Step 3: Cross multiply
    30,995.82x = 46,466.44 × 12,288.98
  4. Step 4: Simplify right side
    30,995.82x = 571,025,090.39
  5. Step 5: Solve for x
    x = 571,025,090.39/30,995.82
  6. Step 6: Final answer
    x = 18,422.65

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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.