Home / 54,762.44-75,571.80-30,889.32

Finding the Fourth Proportional to 54,762.44, 75,571.80 and 30,889.32

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Solution

The fourth proportional to 54,762.44, 75,571.80 and 30,889.32 is: 42,627.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,762.44 : 75,571.80 = 30,889.32 : x
  2. Step 2: Convert to fraction form
    54,762.44/75,571.80 = 30,889.32/x
  3. Step 3: Cross multiply
    54,762.44x = 75,571.80 × 30,889.32
  4. Step 4: Simplify right side
    54,762.44x = 2,334,361,513.18
  5. Step 5: Solve for x
    x = 2,334,361,513.18/54,762.44
  6. Step 6: Final answer
    x = 42,627.05

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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.