Home / 54,219.89-74,823.44-30,346.56

Finding the Fourth Proportional to 54,219.89, 74,823.44 and 30,346.56

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Solution

The fourth proportional to 54,219.89, 74,823.44 and 30,346.56 is: 41,878.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,219.89 : 74,823.44 = 30,346.56 : x
  2. Step 2: Convert to fraction form
    54,219.89/74,823.44 = 30,346.56/x
  3. Step 3: Cross multiply
    54,219.89x = 74,823.44 × 30,346.56
  4. Step 4: Simplify right side
    54,219.89x = 2,270,633,859.63
  5. Step 5: Solve for x
    x = 2,270,633,859.63/54,219.89
  6. Step 6: Final answer
    x = 41,878.24

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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.