Home / 54,189.24-74,788.68-30,317.53

Finding the Fourth Proportional to 54,189.24, 74,788.68 and 30,317.53

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Solution

The fourth proportional to 54,189.24, 74,788.68 and 30,317.53 is: 41,842.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,189.24 : 74,788.68 = 30,317.53 : x
  2. Step 2: Convert to fraction form
    54,189.24/74,788.68 = 30,317.53/x
  3. Step 3: Cross multiply
    54,189.24x = 74,788.68 × 30,317.53
  4. Step 4: Simplify right side
    54,189.24x = 2,267,408,049.56
  5. Step 5: Solve for x
    x = 2,267,408,049.56/54,189.24
  6. Step 6: Final answer
    x = 41,842.40

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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.