Home / 54,203.24-74,804.55-30,329.40

Finding the Fourth Proportional to 54,203.24, 74,804.55 and 30,329.40

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Solution

The fourth proportional to 54,203.24, 74,804.55 and 30,329.40 is: 41,856.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,203.24 : 74,804.55 = 30,329.40 : x
  2. Step 2: Convert to fraction form
    54,203.24/74,804.55 = 30,329.40/x
  3. Step 3: Cross multiply
    54,203.24x = 74,804.55 × 30,329.40
  4. Step 4: Simplify right side
    54,203.24x = 2,268,777,118.77
  5. Step 5: Solve for x
    x = 2,268,777,118.77/54,203.24
  6. Step 6: Final answer
    x = 41,856.86

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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.