Home / 75,408.67-113,111.18-19,249.25

Finding the Fourth Proportional to 75,408.67, 113,111.18 and 19,249.25

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Solution

The fourth proportional to 75,408.67, 113,111.18 and 19,249.25 is: 28,873.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,408.67 : 113,111.18 = 19,249.25 : x
  2. Step 2: Convert to fraction form
    75,408.67/113,111.18 = 19,249.25/x
  3. Step 3: Cross multiply
    75,408.67x = 113,111.18 × 19,249.25
  4. Step 4: Simplify right side
    75,408.67x = 2,177,304,900.27
  5. Step 5: Solve for x
    x = 2,177,304,900.27/75,408.67
  6. Step 6: Final answer
    x = 28,873.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.