Home / 31,321.69-46,970.96-21,956.94

Finding the Fourth Proportional to 31,321.69, 46,970.96 and 21,956.94

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Solution

The fourth proportional to 31,321.69, 46,970.96 and 21,956.94 is: 32,927.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,321.69 : 46,970.96 = 21,956.94 : x
  2. Step 2: Convert to fraction form
    31,321.69/46,970.96 = 21,956.94/x
  3. Step 3: Cross multiply
    31,321.69x = 46,970.96 × 21,956.94
  4. Step 4: Simplify right side
    31,321.69x = 1,031,338,440.68
  5. Step 5: Solve for x
    x = 1,031,338,440.68/31,321.69
  6. Step 6: Final answer
    x = 32,927.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.