Home / 55,975.44-77,247.36-30,825.12

Finding the Fourth Proportional to 55,975.44, 77,247.36 and 30,825.12

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Solution

The fourth proportional to 55,975.44, 77,247.36 and 30,825.12 is: 42,539.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,975.44 : 77,247.36 = 30,825.12 : x
  2. Step 2: Convert to fraction form
    55,975.44/77,247.36 = 30,825.12/x
  3. Step 3: Cross multiply
    55,975.44x = 77,247.36 × 30,825.12
  4. Step 4: Simplify right side
    55,975.44x = 2,381,159,141.68
  5. Step 5: Solve for x
    x = 2,381,159,141.68/55,975.44
  6. Step 6: Final answer
    x = 42,539.36

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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.