Home / 31,223.27-43,088.46-17,075.81

Finding the Fourth Proportional to 31,223.27, 43,088.46 and 17,075.81

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Solution

The fourth proportional to 31,223.27, 43,088.46 and 17,075.81 is: 23,564.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,223.27 : 43,088.46 = 17,075.81 : x
  2. Step 2: Convert to fraction form
    31,223.27/43,088.46 = 17,075.81/x
  3. Step 3: Cross multiply
    31,223.27x = 43,088.46 × 17,075.81
  4. Step 4: Simplify right side
    31,223.27x = 735,770,399.84
  5. Step 5: Solve for x
    x = 735,770,399.84/31,223.27
  6. Step 6: Final answer
    x = 23,564.81

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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.