Home / 30,995.43-46,490.50-12,270.38

Finding the Fourth Proportional to 30,995.43, 46,490.50 and 12,270.38

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Solution

The fourth proportional to 30,995.43, 46,490.50 and 12,270.38 is: 18,404.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,995.43 : 46,490.50 = 12,270.38 : x
  2. Step 2: Convert to fraction form
    30,995.43/46,490.50 = 12,270.38/x
  3. Step 3: Cross multiply
    30,995.43x = 46,490.50 × 12,270.38
  4. Step 4: Simplify right side
    30,995.43x = 570,456,101.39
  5. Step 5: Solve for x
    x = 570,456,101.39/30,995.43
  6. Step 6: Final answer
    x = 18,404.52

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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.