Home / 55,960.14-77,224.82-30,809.64

Finding the Fourth Proportional to 55,960.14, 77,224.82 and 30,809.64

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Solution

The fourth proportional to 55,960.14, 77,224.82 and 30,809.64 is: 42,517.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,960.14 : 77,224.82 = 30,809.64 : x
  2. Step 2: Convert to fraction form
    55,960.14/77,224.82 = 30,809.64/x
  3. Step 3: Cross multiply
    55,960.14x = 77,224.82 × 30,809.64
  4. Step 4: Simplify right side
    55,960.14x = 2,379,268,749.22
  5. Step 5: Solve for x
    x = 2,379,268,749.22/55,960.14
  6. Step 6: Final answer
    x = 42,517.21

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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.