Home / 54,536.45-75,258.38-30,664.49

Finding the Fourth Proportional to 54,536.45, 75,258.38 and 30,664.49

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Solution

The fourth proportional to 54,536.45, 75,258.38 and 30,664.49 is: 42,315.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,536.45 : 75,258.38 = 30,664.49 : x
  2. Step 2: Convert to fraction form
    54,536.45/75,258.38 = 30,664.49/x
  3. Step 3: Cross multiply
    54,536.45x = 75,258.38 × 30,664.49
  4. Step 4: Simplify right side
    54,536.45x = 2,307,759,687.60
  5. Step 5: Solve for x
    x = 2,307,759,687.60/54,536.45
  6. Step 6: Final answer
    x = 42,315.91

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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.