Home / 31,289.04-46,940.64-10,512

Finding the Fourth Proportional to 31,289.04, 46,940.64 and 10,512

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Solution

The fourth proportional to 31,289.04, 46,940.64 and 10,512 is: 15,770.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,289.04 : 46,940.64 = 10,512 : x
  2. Step 2: Convert to fraction form
    31,289.04/46,940.64 = 10,512/x
  3. Step 3: Cross multiply
    31,289.04x = 46,940.64 × 10,512
  4. Step 4: Simplify right side
    31,289.04x = 493,440,007.68
  5. Step 5: Solve for x
    x = 493,440,007.68/31,289.04
  6. Step 6: Final answer
    x = 15,770.38

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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.