Home / 31,344.63-43,249.41-18,595.43

Finding the Fourth Proportional to 31,344.63, 43,249.41 and 18,595.43

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Solution

The fourth proportional to 31,344.63, 43,249.41 and 18,595.43 is: 25,658.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,344.63 : 43,249.41 = 18,595.43 : x
  2. Step 2: Convert to fraction form
    31,344.63/43,249.41 = 18,595.43/x
  3. Step 3: Cross multiply
    31,344.63x = 43,249.41 × 18,595.43
  4. Step 4: Simplify right side
    31,344.63x = 804,241,159.95
  5. Step 5: Solve for x
    x = 804,241,159.95/31,344.63
  6. Step 6: Final answer
    x = 25,658.02

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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.