Home / 53,511.23-73,845.27-30,850.07

Finding the Fourth Proportional to 53,511.23, 73,845.27 and 30,850.07

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Solution

The fourth proportional to 53,511.23, 73,845.27 and 30,850.07 is: 42,572.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,511.23 : 73,845.27 = 30,850.07 : x
  2. Step 2: Convert to fraction form
    53,511.23/73,845.27 = 30,850.07/x
  3. Step 3: Cross multiply
    53,511.23x = 73,845.27 × 30,850.07
  4. Step 4: Simplify right side
    53,511.23x = 2,278,131,379.44
  5. Step 5: Solve for x
    x = 2,278,131,379.44/53,511.23
  6. Step 6: Final answer
    x = 42,572.96

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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.