Home / 54,186.26-81,313.95-23,021.51

Finding the Fourth Proportional to 54,186.26, 81,313.95 and 23,021.51

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Solution

The fourth proportional to 54,186.26, 81,313.95 and 23,021.51 is: 34,546.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,186.26 : 81,313.95 = 23,021.51 : x
  2. Step 2: Convert to fraction form
    54,186.26/81,313.95 = 23,021.51/x
  3. Step 3: Cross multiply
    54,186.26x = 81,313.95 × 23,021.51
  4. Step 4: Simplify right side
    54,186.26x = 1,871,969,913.06
  5. Step 5: Solve for x
    x = 1,871,969,913.06/54,186.26
  6. Step 6: Final answer
    x = 34,546.95

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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.