Home / 31,770.06-47,615.67-10,969.26

Finding the Fourth Proportional to 31,770.06, 47,615.67 and 10,969.26

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Solution

The fourth proportional to 31,770.06, 47,615.67 and 10,969.26 is: 16,440.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,770.06 : 47,615.67 = 10,969.26 : x
  2. Step 2: Convert to fraction form
    31,770.06/47,615.67 = 10,969.26/x
  3. Step 3: Cross multiply
    31,770.06x = 47,615.67 × 10,969.26
  4. Step 4: Simplify right side
    31,770.06x = 522,308,664.30
  5. Step 5: Solve for x
    x = 522,308,664.30/31,770.06
  6. Step 6: Final answer
    x = 16,440.28

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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.