Home / 39,450.26-54,441.08-21,545.27

Finding the Fourth Proportional to 39,450.26, 54,441.08 and 21,545.27

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Solution

The fourth proportional to 39,450.26, 54,441.08 and 21,545.27 is: 29,732.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,450.26 : 54,441.08 = 21,545.27 : x
  2. Step 2: Convert to fraction form
    39,450.26/54,441.08 = 21,545.27/x
  3. Step 3: Cross multiply
    39,450.26x = 54,441.08 × 21,545.27
  4. Step 4: Simplify right side
    39,450.26x = 1,172,947,387.76
  5. Step 5: Solve for x
    x = 1,172,947,387.76/39,450.26
  6. Step 6: Final answer
    x = 29,732.31

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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.