Home / 33,032-45,585.12-18,128.96

Finding the Fourth Proportional to 33,032, 45,585.12 and 18,128.96

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Solution

The fourth proportional to 33,032, 45,585.12 and 18,128.96 is: 25,018.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,032 : 45,585.12 = 18,128.96 : x
  2. Step 2: Convert to fraction form
    33,032/45,585.12 = 18,128.96/x
  3. Step 3: Cross multiply
    33,032x = 45,585.12 × 18,128.96
  4. Step 4: Simplify right side
    33,032x = 826,410,817.08
  5. Step 5: Solve for x
    x = 826,410,817.08/33,032
  6. Step 6: Final answer
    x = 25,018.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.