Home / 31,186.54-43,035.40-17,039.38

Finding the Fourth Proportional to 31,186.54, 43,035.40 and 17,039.38

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Solution

The fourth proportional to 31,186.54, 43,035.40 and 17,039.38 is: 23,513.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,186.54 : 43,035.40 = 17,039.38 : x
  2. Step 2: Convert to fraction form
    31,186.54/43,035.40 = 17,039.38/x
  3. Step 3: Cross multiply
    31,186.54x = 43,035.40 × 17,039.38
  4. Step 4: Simplify right side
    31,186.54x = 733,296,534.05
  5. Step 5: Solve for x
    x = 733,296,534.05/31,186.54
  6. Step 6: Final answer
    x = 23,513.24

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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.