Home / 54,231.96-74,836.62-30,358.20

Finding the Fourth Proportional to 54,231.96, 74,836.62 and 30,358.20

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Solution

The fourth proportional to 54,231.96, 74,836.62 and 30,358.20 is: 41,892.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,231.96 : 74,836.62 = 30,358.20 : x
  2. Step 2: Convert to fraction form
    54,231.96/74,836.62 = 30,358.20/x
  3. Step 3: Cross multiply
    54,231.96x = 74,836.62 × 30,358.20
  4. Step 4: Simplify right side
    54,231.96x = 2,271,905,077.28
  5. Step 5: Solve for x
    x = 2,271,905,077.28/54,231.96
  6. Step 6: Final answer
    x = 41,892.37

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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.