Home / 40,118.68-55,364.88-22,214.44

Finding the Fourth Proportional to 40,118.68, 55,364.88 and 22,214.44

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Solution

The fourth proportional to 40,118.68, 55,364.88 and 22,214.44 is: 30,656.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,118.68 : 55,364.88 = 22,214.44 : x
  2. Step 2: Convert to fraction form
    40,118.68/55,364.88 = 22,214.44/x
  3. Step 3: Cross multiply
    40,118.68x = 55,364.88 × 22,214.44
  4. Step 4: Simplify right side
    40,118.68x = 1,229,899,804.87
  5. Step 5: Solve for x
    x = 1,229,899,804.87/40,118.68
  6. Step 6: Final answer
    x = 30,656.54

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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.