Home / 29,161.40-40,262.10-22,435.16

Finding the Fourth Proportional to 29,161.40, 40,262.10 and 22,435.16

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Solution

The fourth proportional to 29,161.40, 40,262.10 and 22,435.16 is: 30,975.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,161.40 : 40,262.10 = 22,435.16 : x
  2. Step 2: Convert to fraction form
    29,161.40/40,262.10 = 22,435.16/x
  3. Step 3: Cross multiply
    29,161.40x = 40,262.10 × 22,435.16
  4. Step 4: Simplify right side
    29,161.40x = 903,286,655.44
  5. Step 5: Solve for x
    x = 903,286,655.44/29,161.40
  6. Step 6: Final answer
    x = 30,975.42

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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.