Home / 31,743.35-47,581.45-11,739.99

Finding the Fourth Proportional to 31,743.35, 47,581.45 and 11,739.99

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Solution

The fourth proportional to 31,743.35, 47,581.45 and 11,739.99 is: 17,597.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,743.35 : 47,581.45 = 11,739.99 : x
  2. Step 2: Convert to fraction form
    31,743.35/47,581.45 = 11,739.99/x
  3. Step 3: Cross multiply
    31,743.35x = 47,581.45 × 11,739.99
  4. Step 4: Simplify right side
    31,743.35x = 558,605,747.19
  5. Step 5: Solve for x
    x = 558,605,747.19/31,743.35
  6. Step 6: Final answer
    x = 17,597.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.