Home / 40,029.85-55,236.39-22,122.41

Finding the Fourth Proportional to 40,029.85, 55,236.39 and 22,122.41

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Solution

The fourth proportional to 40,029.85, 55,236.39 and 22,122.41 is: 30,526.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,029.85 : 55,236.39 = 22,122.41 : x
  2. Step 2: Convert to fraction form
    40,029.85/55,236.39 = 22,122.41/x
  3. Step 3: Cross multiply
    40,029.85x = 55,236.39 × 22,122.41
  4. Step 4: Simplify right side
    40,029.85x = 1,221,962,066.50
  5. Step 5: Solve for x
    x = 1,221,962,066.50/40,029.85
  6. Step 6: Final answer
    x = 30,526.28

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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.