Home / 33,145.97-45,740.56-18,038.30

Finding the Fourth Proportional to 33,145.97, 45,740.56 and 18,038.30

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Solution

The fourth proportional to 33,145.97, 45,740.56 and 18,038.30 is: 24,892.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,145.97 : 45,740.56 = 18,038.30 : x
  2. Step 2: Convert to fraction form
    33,145.97/45,740.56 = 18,038.30/x
  3. Step 3: Cross multiply
    33,145.97x = 45,740.56 × 18,038.30
  4. Step 4: Simplify right side
    33,145.97x = 825,082,084.03
  5. Step 5: Solve for x
    x = 825,082,084.03/33,145.97
  6. Step 6: Final answer
    x = 24,892.38

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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.