Home / 39,367.73-54,326.36-21,462.73

Finding the Fourth Proportional to 39,367.73, 54,326.36 and 21,462.73

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Solution

The fourth proportional to 39,367.73, 54,326.36 and 21,462.73 is: 29,617.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,367.73 : 54,326.36 = 21,462.73 : x
  2. Step 2: Convert to fraction form
    39,367.73/54,326.36 = 21,462.73/x
  3. Step 3: Cross multiply
    39,367.73x = 54,326.36 × 21,462.73
  4. Step 4: Simplify right side
    39,367.73x = 1,165,991,914.40
  5. Step 5: Solve for x
    x = 1,165,991,914.40/39,367.73
  6. Step 6: Final answer
    x = 29,617.96

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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.