Home / 54,385.33-81,580.21-25,907.64

Finding the Fourth Proportional to 54,385.33, 81,580.21 and 25,907.64

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Solution

The fourth proportional to 54,385.33, 81,580.21 and 25,907.64 is: 38,862.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,385.33 : 81,580.21 = 25,907.64 : x
  2. Step 2: Convert to fraction form
    54,385.33/81,580.21 = 25,907.64/x
  3. Step 3: Cross multiply
    54,385.33x = 81,580.21 × 25,907.64
  4. Step 4: Simplify right side
    54,385.33x = 2,113,550,582.27
  5. Step 5: Solve for x
    x = 2,113,550,582.27/54,385.33
  6. Step 6: Final answer
    x = 38,862.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.