Home / 54,533.88-75,255.48-30,660.48

Finding the Fourth Proportional to 54,533.88, 75,255.48 and 30,660.48

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Solution

The fourth proportional to 54,533.88, 75,255.48 and 30,660.48 is: 42,310.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,533.88 : 75,255.48 = 30,660.48 : x
  2. Step 2: Convert to fraction form
    54,533.88/75,255.48 = 30,660.48/x
  3. Step 3: Cross multiply
    54,533.88x = 75,255.48 × 30,660.48
  4. Step 4: Simplify right side
    54,533.88x = 2,307,369,139.43
  5. Step 5: Solve for x
    x = 2,307,369,139.43/54,533.88
  6. Step 6: Final answer
    x = 42,310.75

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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.