Home / 30,299.12-41,806.40-17,721.44

Finding the Fourth Proportional to 30,299.12, 41,806.40 and 17,721.44

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Solution

The fourth proportional to 30,299.12, 41,806.40 and 17,721.44 is: 24,451.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,299.12 : 41,806.40 = 17,721.44 : x
  2. Step 2: Convert to fraction form
    30,299.12/41,806.40 = 17,721.44/x
  3. Step 3: Cross multiply
    30,299.12x = 41,806.40 × 17,721.44
  4. Step 4: Simplify right side
    30,299.12x = 740,869,609.22
  5. Step 5: Solve for x
    x = 740,869,609.22/30,299.12
  6. Step 6: Final answer
    x = 24,451.85

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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.