Home / 31,237.09-43,107.81-17,090.23

Finding the Fourth Proportional to 31,237.09, 43,107.81 and 17,090.23

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Solution

The fourth proportional to 31,237.09, 43,107.81 and 17,090.23 is: 23,584.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,237.09 : 43,107.81 = 17,090.23 : x
  2. Step 2: Convert to fraction form
    31,237.09/43,107.81 = 17,090.23/x
  3. Step 3: Cross multiply
    31,237.09x = 43,107.81 × 17,090.23
  4. Step 4: Simplify right side
    31,237.09x = 736,722,495.47
  5. Step 5: Solve for x
    x = 736,722,495.47/31,237.09
  6. Step 6: Final answer
    x = 23,584.87

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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.