Home / 39,968.07-55,149.63-22,969.02

Finding the Fourth Proportional to 39,968.07, 55,149.63 and 22,969.02

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Solution

The fourth proportional to 39,968.07, 55,149.63 and 22,969.02 is: 31,693.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,968.07 : 55,149.63 = 22,969.02 : x
  2. Step 2: Convert to fraction form
    39,968.07/55,149.63 = 22,969.02/x
  3. Step 3: Cross multiply
    39,968.07x = 55,149.63 × 22,969.02
  4. Step 4: Simplify right side
    39,968.07x = 1,266,732,954.46
  5. Step 5: Solve for x
    x = 1,266,732,954.46/39,968.07
  6. Step 6: Final answer
    x = 31,693.62

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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.