Home / 31,771.13-43,849.40-17,628.53

Finding the Fourth Proportional to 31,771.13, 43,849.40 and 17,628.53

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Solution

The fourth proportional to 31,771.13, 43,849.40 and 17,628.53 is: 24,330.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,771.13 : 43,849.40 = 17,628.53 : x
  2. Step 2: Convert to fraction form
    31,771.13/43,849.40 = 17,628.53/x
  3. Step 3: Cross multiply
    31,771.13x = 43,849.40 × 17,628.53
  4. Step 4: Simplify right side
    31,771.13x = 773,000,375.24
  5. Step 5: Solve for x
    x = 773,000,375.24/31,771.13
  6. Step 6: Final answer
    x = 24,330.28

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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.