Home / 39,542.13-54,567.66-21,636.94

Finding the Fourth Proportional to 39,542.13, 54,567.66 and 21,636.94

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Solution

The fourth proportional to 39,542.13, 54,567.66 and 21,636.94 is: 29,858.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,542.13 : 54,567.66 = 21,636.94 : x
  2. Step 2: Convert to fraction form
    39,542.13/54,567.66 = 21,636.94/x
  3. Step 3: Cross multiply
    39,542.13x = 54,567.66 × 21,636.94
  4. Step 4: Simplify right side
    39,542.13x = 1,180,677,185.36
  5. Step 5: Solve for x
    x = 1,180,677,185.36/39,542.13
  6. Step 6: Final answer
    x = 29,858.71

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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.