Home / 38,879.46-53,653.32-22,112.46

Finding the Fourth Proportional to 38,879.46, 53,653.32 and 22,112.46

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Solution

The fourth proportional to 38,879.46, 53,653.32 and 22,112.46 is: 30,515.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,879.46 : 53,653.32 = 22,112.46 : x
  2. Step 2: Convert to fraction form
    38,879.46/53,653.32 = 22,112.46/x
  3. Step 3: Cross multiply
    38,879.46x = 53,653.32 × 22,112.46
  4. Step 4: Simplify right side
    38,879.46x = 1,186,406,892.37
  5. Step 5: Solve for x
    x = 1,186,406,892.37/38,879.46
  6. Step 6: Final answer
    x = 30,515.00

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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.