Home / 31,713.82-43,763.20-17,370.79

Finding the Fourth Proportional to 31,713.82, 43,763.20 and 17,370.79

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Solution

The fourth proportional to 31,713.82, 43,763.20 and 17,370.79 is: 23,970.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,713.82 : 43,763.20 = 17,370.79 : x
  2. Step 2: Convert to fraction form
    31,713.82/43,763.20 = 17,370.79/x
  3. Step 3: Cross multiply
    31,713.82x = 43,763.20 × 17,370.79
  4. Step 4: Simplify right side
    31,713.82x = 760,201,422.91
  5. Step 5: Solve for x
    x = 760,201,422.91/31,713.82
  6. Step 6: Final answer
    x = 23,970.67

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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.