Home / 39,907.29-55,072.05-22,912.64

Finding the Fourth Proportional to 39,907.29, 55,072.05 and 22,912.64

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Solution

The fourth proportional to 39,907.29, 55,072.05 and 22,912.64 is: 31,619.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,907.29 : 55,072.05 = 22,912.64 : x
  2. Step 2: Convert to fraction form
    39,907.29/55,072.05 = 22,912.64/x
  3. Step 3: Cross multiply
    39,907.29x = 55,072.05 × 22,912.64
  4. Step 4: Simplify right side
    39,907.29x = 1,261,846,055.71
  5. Step 5: Solve for x
    x = 1,261,846,055.71/39,907.29
  6. Step 6: Final answer
    x = 31,619.44

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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.