Home / 31,424.40-43,365.94-17,084.26

Finding the Fourth Proportional to 31,424.40, 43,365.94 and 17,084.26

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Solution

The fourth proportional to 31,424.40, 43,365.94 and 17,084.26 is: 23,576.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,424.40 : 43,365.94 = 17,084.26 : x
  2. Step 2: Convert to fraction form
    31,424.40/43,365.94 = 17,084.26/x
  3. Step 3: Cross multiply
    31,424.40x = 43,365.94 × 17,084.26
  4. Step 4: Simplify right side
    31,424.40x = 740,874,994.10
  5. Step 5: Solve for x
    x = 740,874,994.10/31,424.40
  6. Step 6: Final answer
    x = 23,576.42

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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.