Home / 54,014.74-74,540.31-30,141.56

Finding the Fourth Proportional to 54,014.74, 74,540.31 and 30,141.56

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Solution

The fourth proportional to 54,014.74, 74,540.31 and 30,141.56 is: 41,595.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,014.74 : 74,540.31 = 30,141.56 : x
  2. Step 2: Convert to fraction form
    54,014.74/74,540.31 = 30,141.56/x
  3. Step 3: Cross multiply
    54,014.74x = 74,540.31 × 30,141.56
  4. Step 4: Simplify right side
    54,014.74x = 2,246,761,226.28
  5. Step 5: Solve for x
    x = 2,246,761,226.28/54,014.74
  6. Step 6: Final answer
    x = 41,595.34

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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.