Home / 30,367.85-41,907.70-16,938.76

Finding the Fourth Proportional to 30,367.85, 41,907.70 and 16,938.76

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Solution

The fourth proportional to 30,367.85, 41,907.70 and 16,938.76 is: 23,375.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,367.85 : 41,907.70 = 16,938.76 : x
  2. Step 2: Convert to fraction form
    30,367.85/41,907.70 = 16,938.76/x
  3. Step 3: Cross multiply
    30,367.85x = 41,907.70 × 16,938.76
  4. Step 4: Simplify right side
    30,367.85x = 709,864,472.45
  5. Step 5: Solve for x
    x = 709,864,472.45/30,367.85
  6. Step 6: Final answer
    x = 23,375.53

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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.