Home / 31,804.70-43,890.39-17,657.45

Finding the Fourth Proportional to 31,804.70, 43,890.39 and 17,657.45

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Solution

The fourth proportional to 31,804.70, 43,890.39 and 17,657.45 is: 24,367.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,804.70 : 43,890.39 = 17,657.45 : x
  2. Step 2: Convert to fraction form
    31,804.70/43,890.39 = 17,657.45/x
  3. Step 3: Cross multiply
    31,804.70x = 43,890.39 × 17,657.45
  4. Step 4: Simplify right side
    31,804.70x = 774,992,147.45
  5. Step 5: Solve for x
    x = 774,992,147.45/31,804.70
  6. Step 6: Final answer
    x = 24,367.22

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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.