Home / 39,761.96-54,880.97-22,775.99

Finding the Fourth Proportional to 39,761.96, 54,880.97 and 22,775.99

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Solution

The fourth proportional to 39,761.96, 54,880.97 and 22,775.99 is: 31,436.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,761.96 : 54,880.97 = 22,775.99 : x
  2. Step 2: Convert to fraction form
    39,761.96/54,880.97 = 22,775.99/x
  3. Step 3: Cross multiply
    39,761.96x = 54,880.97 × 22,775.99
  4. Step 4: Simplify right side
    39,761.96x = 1,249,968,035.63
  5. Step 5: Solve for x
    x = 1,249,968,035.63/39,761.96
  6. Step 6: Final answer
    x = 31,436.28

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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.