Home / 40,197.72-55,491.90-26,791.32

Finding the Fourth Proportional to 40,197.72, 55,491.90 and 26,791.32

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Solution

The fourth proportional to 40,197.72, 55,491.90 and 26,791.32 is: 36,984.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,197.72 : 55,491.90 = 26,791.32 : x
  2. Step 2: Convert to fraction form
    40,197.72/55,491.90 = 26,791.32/x
  3. Step 3: Cross multiply
    40,197.72x = 55,491.90 × 26,791.32
  4. Step 4: Simplify right side
    40,197.72x = 1,486,701,250.31
  5. Step 5: Solve for x
    x = 1,486,701,250.31/40,197.72
  6. Step 6: Final answer
    x = 36,984.72

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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.