Home / 20,801.98-31,202.68-19,472.23

Finding the Fourth Proportional to 20,801.98, 31,202.68 and 19,472.23

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Solution

The fourth proportional to 20,801.98, 31,202.68 and 19,472.23 is: 29,208.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,801.98 : 31,202.68 = 19,472.23 : x
  2. Step 2: Convert to fraction form
    20,801.98/31,202.68 = 19,472.23/x
  3. Step 3: Cross multiply
    20,801.98x = 31,202.68 × 19,472.23
  4. Step 4: Simplify right side
    20,801.98x = 607,585,605.56
  5. Step 5: Solve for x
    x = 607,585,605.56/20,801.98
  6. Step 6: Final answer
    x = 29,208.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.