Home / 53,518.82-80,294.45-20,249.10

Finding the Fourth Proportional to 53,518.82, 80,294.45 and 20,249.10

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Solution

The fourth proportional to 53,518.82, 80,294.45 and 20,249.10 is: 30,379.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,518.82 : 80,294.45 = 20,249.10 : x
  2. Step 2: Convert to fraction form
    53,518.82/80,294.45 = 20,249.10/x
  3. Step 3: Cross multiply
    53,518.82x = 80,294.45 × 20,249.10
  4. Step 4: Simplify right side
    53,518.82x = 1,625,890,246.25
  5. Step 5: Solve for x
    x = 1,625,890,246.25/53,518.82
  6. Step 6: Final answer
    x = 30,379.79

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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.