Home / 31,242,458.45-43,111,310.40-17,303,448.41

Finding the Fourth Proportional to 31,242,458.45, 43,111,310.40 and 17,303,448.41

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Solution

The fourth proportional to 31,242,458.45, 43,111,310.40 and 17,303,448.41 is: 23,876,940.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,242,458.45 : 43,111,310.40 = 17,303,448.41 : x
  2. Step 2: Convert to fraction form
    31,242,458.45/43,111,310.40 = 17,303,448.41/x
  3. Step 3: Cross multiply
    31,242,458.45x = 43,111,310.40 × 17,303,448.41
  4. Step 4: Simplify right side
    31,242,458.45x = 745,974,335,393,896.50
  5. Step 5: Solve for x
    x = 745,974,335,393,896.50/31,242,458.45
  6. Step 6: Final answer
    x = 23,876,940.95

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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.