Home / 39,969.24-55,158-22,064.26

Finding the Fourth Proportional to 39,969.24, 55,158 and 22,064.26

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Solution

The fourth proportional to 39,969.24, 55,158 and 22,064.26 is: 30,448.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,969.24 : 55,158 = 22,064.26 : x
  2. Step 2: Convert to fraction form
    39,969.24/55,158 = 22,064.26/x
  3. Step 3: Cross multiply
    39,969.24x = 55,158 × 22,064.26
  4. Step 4: Simplify right side
    39,969.24x = 1,217,020,453.08
  5. Step 5: Solve for x
    x = 1,217,020,453.08/39,969.24
  6. Step 6: Final answer
    x = 30,448.93

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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.