Home / 30,250.68-41,709.78-19,636.44

Finding the Fourth Proportional to 30,250.68, 41,709.78 and 19,636.44

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Solution

The fourth proportional to 30,250.68, 41,709.78 and 19,636.44 is: 27,074.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,250.68 : 41,709.78 = 19,636.44 : x
  2. Step 2: Convert to fraction form
    30,250.68/41,709.78 = 19,636.44/x
  3. Step 3: Cross multiply
    30,250.68x = 41,709.78 × 19,636.44
  4. Step 4: Simplify right side
    30,250.68x = 819,031,592.38
  5. Step 5: Solve for x
    x = 819,031,592.38/30,250.68
  6. Step 6: Final answer
    x = 27,074.82

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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.