Home / 40,882.75-56,415.39-22,980.45

Finding the Fourth Proportional to 40,882.75, 56,415.39 and 22,980.45

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Solution

The fourth proportional to 40,882.75, 56,415.39 and 22,980.45 is: 31,711.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,882.75 : 56,415.39 = 22,980.45 : x
  2. Step 2: Convert to fraction form
    40,882.75/56,415.39 = 22,980.45/x
  3. Step 3: Cross multiply
    40,882.75x = 56,415.39 × 22,980.45
  4. Step 4: Simplify right side
    40,882.75x = 1,296,451,049.13
  5. Step 5: Solve for x
    x = 1,296,451,049.13/40,882.75
  6. Step 6: Final answer
    x = 31,711.44

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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.