Home / 40,491.21-55,877.49-22,342.10

Finding the Fourth Proportional to 40,491.21, 55,877.49 and 22,342.10

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Solution

The fourth proportional to 40,491.21, 55,877.49 and 22,342.10 is: 30,831.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,491.21 : 55,877.49 = 22,342.10 : x
  2. Step 2: Convert to fraction form
    40,491.21/55,877.49 = 22,342.10/x
  3. Step 3: Cross multiply
    40,491.21x = 55,877.49 × 22,342.10
  4. Step 4: Simplify right side
    40,491.21x = 1,248,420,469.33
  5. Step 5: Solve for x
    x = 1,248,420,469.33/40,491.21
  6. Step 6: Final answer
    x = 30,831.89

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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.