Home / 39,969.68-55,147.12-22,973.04

Finding the Fourth Proportional to 39,969.68, 55,147.12 and 22,973.04

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Solution

The fourth proportional to 39,969.68, 55,147.12 and 22,973.04 is: 31,696.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,969.68 : 55,147.12 = 22,973.04 : x
  2. Step 2: Convert to fraction form
    39,969.68/55,147.12 = 22,973.04/x
  3. Step 3: Cross multiply
    39,969.68x = 55,147.12 × 22,973.04
  4. Step 4: Simplify right side
    39,969.68x = 1,266,896,993.64
  5. Step 5: Solve for x
    x = 1,266,896,993.64/39,969.68
  6. Step 6: Final answer
    x = 31,696.45

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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.