Home / 40,325.84-55,651.62-22,420.46

Finding the Fourth Proportional to 40,325.84, 55,651.62 and 22,420.46

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Solution

The fourth proportional to 40,325.84, 55,651.62 and 22,420.46 is: 30,941.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,325.84 : 55,651.62 = 22,420.46 : x
  2. Step 2: Convert to fraction form
    40,325.84/55,651.62 = 22,420.46/x
  3. Step 3: Cross multiply
    40,325.84x = 55,651.62 × 22,420.46
  4. Step 4: Simplify right side
    40,325.84x = 1,247,734,920.15
  5. Step 5: Solve for x
    x = 1,247,734,920.15/40,325.84
  6. Step 6: Final answer
    x = 30,941.32

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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.