Home / 31,378,539.69-43,303,494.83-17,440,172.73

Finding the Fourth Proportional to 31,378,539.69, 43,303,494.83 and 17,440,172.73

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Solution

The fourth proportional to 31,378,539.69, 43,303,494.83 and 17,440,172.73 is: 24,068,055.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,378,539.69 : 43,303,494.83 = 17,440,172.73 : x
  2. Step 2: Convert to fraction form
    31,378,539.69/43,303,494.83 = 17,440,172.73/x
  3. Step 3: Cross multiply
    31,378,539.69x = 43,303,494.83 × 17,440,172.73
  4. Step 4: Simplify right side
    31,378,539.69x = 755,220,429,560,661.25
  5. Step 5: Solve for x
    x = 755,220,429,560,661.25/31,378,539.69
  6. Step 6: Final answer
    x = 24,068,055.33

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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.