Home / 30,954.78-46,508.13-19,866.06

Finding the Fourth Proportional to 30,954.78, 46,508.13 and 19,866.06

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Solution

The fourth proportional to 30,954.78, 46,508.13 and 19,866.06 is: 29,847.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,954.78 : 46,508.13 = 19,866.06 : x
  2. Step 2: Convert to fraction form
    30,954.78/46,508.13 = 19,866.06/x
  3. Step 3: Cross multiply
    30,954.78x = 46,508.13 × 19,866.06
  4. Step 4: Simplify right side
    30,954.78x = 923,933,301.07
  5. Step 5: Solve for x
    x = 923,933,301.07/30,954.78
  6. Step 6: Final answer
    x = 29,847.84

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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.