Home / 39,637.49-54,702.29-21,732.54

Finding the Fourth Proportional to 39,637.49, 54,702.29 and 21,732.54

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Solution

The fourth proportional to 39,637.49, 54,702.29 and 21,732.54 is: 29,992.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,637.49 : 54,702.29 = 21,732.54 : x
  2. Step 2: Convert to fraction form
    39,637.49/54,702.29 = 21,732.54/x
  3. Step 3: Cross multiply
    39,637.49x = 54,702.29 × 21,732.54
  4. Step 4: Simplify right side
    39,637.49x = 1,188,819,596.85
  5. Step 5: Solve for x
    x = 1,188,819,596.85/39,637.49
  6. Step 6: Final answer
    x = 29,992.31

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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.