Home / 31,845.76-43,946.96-17,698.50

Finding the Fourth Proportional to 31,845.76, 43,946.96 and 17,698.50

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Solution

The fourth proportional to 31,845.76, 43,946.96 and 17,698.50 is: 24,423.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,845.76 : 43,946.96 = 17,698.50 : x
  2. Step 2: Convert to fraction form
    31,845.76/43,946.96 = 17,698.50/x
  3. Step 3: Cross multiply
    31,845.76x = 43,946.96 × 17,698.50
  4. Step 4: Simplify right side
    31,845.76x = 777,795,183.07
  5. Step 5: Solve for x
    x = 777,795,183.07/31,845.76
  6. Step 6: Final answer
    x = 24,423.82

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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.