Home / 54,548.94-75,272.21-30,675.11

Finding the Fourth Proportional to 54,548.94, 75,272.21 and 30,675.11

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Solution

The fourth proportional to 54,548.94, 75,272.21 and 30,675.11 is: 42,328.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,548.94 : 75,272.21 = 30,675.11 : x
  2. Step 2: Convert to fraction form
    54,548.94/75,272.21 = 30,675.11/x
  3. Step 3: Cross multiply
    54,548.94x = 75,272.21 × 30,675.11
  4. Step 4: Simplify right side
    54,548.94x = 2,308,982,993.26
  5. Step 5: Solve for x
    x = 2,308,982,993.26/54,548.94
  6. Step 6: Final answer
    x = 42,328.65

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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.