Home / 31,673.04-43,695.09-19,090.50

Finding the Fourth Proportional to 31,673.04, 43,695.09 and 19,090.50

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Solution

The fourth proportional to 31,673.04, 43,695.09 and 19,090.50 is: 26,336.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,673.04 : 43,695.09 = 19,090.50 : x
  2. Step 2: Convert to fraction form
    31,673.04/43,695.09 = 19,090.50/x
  3. Step 3: Cross multiply
    31,673.04x = 43,695.09 × 19,090.50
  4. Step 4: Simplify right side
    31,673.04x = 834,161,115.65
  5. Step 5: Solve for x
    x = 834,161,115.65/31,673.04
  6. Step 6: Final answer
    x = 26,336.63

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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.