Home / 39,515.92-54,525.44-22,520.39

Finding the Fourth Proportional to 39,515.92, 54,525.44 and 22,520.39

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Solution

The fourth proportional to 39,515.92, 54,525.44 and 22,520.39 is: 31,074.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,515.92 : 54,525.44 = 22,520.39 : x
  2. Step 2: Convert to fraction form
    39,515.92/54,525.44 = 22,520.39/x
  3. Step 3: Cross multiply
    39,515.92x = 54,525.44 × 22,520.39
  4. Step 4: Simplify right side
    39,515.92x = 1,227,933,957.40
  5. Step 5: Solve for x
    x = 1,227,933,957.40/39,515.92
  6. Step 6: Final answer
    x = 31,074.41

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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.