Home / 53,020.41-73,168.32-30,359.75

Finding the Fourth Proportional to 53,020.41, 73,168.32 and 30,359.75

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Solution

The fourth proportional to 53,020.41, 73,168.32 and 30,359.75 is: 41,896.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,020.41 : 73,168.32 = 30,359.75 : x
  2. Step 2: Convert to fraction form
    53,020.41/73,168.32 = 30,359.75/x
  3. Step 3: Cross multiply
    53,020.41x = 73,168.32 × 30,359.75
  4. Step 4: Simplify right side
    53,020.41x = 2,221,371,537.28
  5. Step 5: Solve for x
    x = 2,221,371,537.28/53,020.41
  6. Step 6: Final answer
    x = 41,896.54

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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.