Home / 54,051.28-74,627.64-35,221.20

Finding the Fourth Proportional to 54,051.28, 74,627.64 and 35,221.20

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Solution

The fourth proportional to 54,051.28, 74,627.64 and 35,221.20 is: 48,629.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,051.28 : 74,627.64 = 35,221.20 : x
  2. Step 2: Convert to fraction form
    54,051.28/74,627.64 = 35,221.20/x
  3. Step 3: Cross multiply
    54,051.28x = 74,627.64 × 35,221.20
  4. Step 4: Simplify right side
    54,051.28x = 2,628,475,033.97
  5. Step 5: Solve for x
    x = 2,628,475,033.97/54,051.28
  6. Step 6: Final answer
    x = 48,629.28

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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.