Home / 40,325.38-55,648.32-22,418.08

Finding the Fourth Proportional to 40,325.38, 55,648.32 and 22,418.08

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Solution

The fourth proportional to 40,325.38, 55,648.32 and 22,418.08 is: 30,936.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,325.38 : 55,648.32 = 22,418.08 : x
  2. Step 2: Convert to fraction form
    40,325.38/55,648.32 = 22,418.08/x
  3. Step 3: Cross multiply
    40,325.38x = 55,648.32 × 22,418.08
  4. Step 4: Simplify right side
    40,325.38x = 1,247,528,489.63
  5. Step 5: Solve for x
    x = 1,247,528,489.63/40,325.38
  6. Step 6: Final answer
    x = 30,936.56

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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.