Home / 31,755.69-43,821.81-17,609.58

Finding the Fourth Proportional to 31,755.69, 43,821.81 and 17,609.58

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Solution

The fourth proportional to 31,755.69, 43,821.81 and 17,609.58 is: 24,300.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,755.69 : 43,821.81 = 17,609.58 : x
  2. Step 2: Convert to fraction form
    31,755.69/43,821.81 = 17,609.58/x
  3. Step 3: Cross multiply
    31,755.69x = 43,821.81 × 17,609.58
  4. Step 4: Simplify right side
    31,755.69x = 771,683,668.94
  5. Step 5: Solve for x
    x = 771,683,668.94/31,755.69
  6. Step 6: Final answer
    x = 24,300.64

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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.