Home / 48,450.13-66,879.45-28,313.56

Finding the Fourth Proportional to 48,450.13, 66,879.45 and 28,313.56

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Solution

The fourth proportional to 48,450.13, 66,879.45 and 28,313.56 is: 39,083.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,450.13 : 66,879.45 = 28,313.56 : x
  2. Step 2: Convert to fraction form
    48,450.13/66,879.45 = 28,313.56/x
  3. Step 3: Cross multiply
    48,450.13x = 66,879.45 × 28,313.56
  4. Step 4: Simplify right side
    48,450.13x = 1,893,594,844.38
  5. Step 5: Solve for x
    x = 1,893,594,844.38/48,450.13
  6. Step 6: Final answer
    x = 39,083.38

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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.