Home / 39,489.04-54,491.97-21,584.26

Finding the Fourth Proportional to 39,489.04, 54,491.97 and 21,584.26

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Solution

The fourth proportional to 39,489.04, 54,491.97 and 21,584.26 is: 29,784.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,489.04 : 54,491.97 = 21,584.26 : x
  2. Step 2: Convert to fraction form
    39,489.04/54,491.97 = 21,584.26/x
  3. Step 3: Cross multiply
    39,489.04x = 54,491.97 × 21,584.26
  4. Step 4: Simplify right side
    39,489.04x = 1,176,168,848.39
  5. Step 5: Solve for x
    x = 1,176,168,848.39/39,489.04
  6. Step 6: Final answer
    x = 29,784.69

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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.