Home / 54,276.58-74,901.24-30,403.48

Finding the Fourth Proportional to 54,276.58, 74,901.24 and 30,403.48

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Solution

The fourth proportional to 54,276.58, 74,901.24 and 30,403.48 is: 41,956.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,276.58 : 74,901.24 = 30,403.48 : x
  2. Step 2: Convert to fraction form
    54,276.58/74,901.24 = 30,403.48/x
  3. Step 3: Cross multiply
    54,276.58x = 74,901.24 × 30,403.48
  4. Step 4: Simplify right side
    54,276.58x = 2,277,258,352.32
  5. Step 5: Solve for x
    x = 2,277,258,352.32/54,276.58
  6. Step 6: Final answer
    x = 41,956.56

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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.