Home / 31,707.49-43,757.32-17,561.65

Finding the Fourth Proportional to 31,707.49, 43,757.32 and 17,561.65

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Solution

The fourth proportional to 31,707.49, 43,757.32 and 17,561.65 is: 24,235.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,707.49 : 43,757.32 = 17,561.65 : x
  2. Step 2: Convert to fraction form
    31,707.49/43,757.32 = 17,561.65/x
  3. Step 3: Cross multiply
    31,707.49x = 43,757.32 × 17,561.65
  4. Step 4: Simplify right side
    31,707.49x = 768,450,519.99
  5. Step 5: Solve for x
    x = 768,450,519.99/31,707.49
  6. Step 6: Final answer
    x = 24,235.62

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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.