Home / 45,114.21-67,672.26-13,949.46

Finding the Fourth Proportional to 45,114.21, 67,672.26 and 13,949.46

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Solution

The fourth proportional to 45,114.21, 67,672.26 and 13,949.46 is: 20,924.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,114.21 : 67,672.26 = 13,949.46 : x
  2. Step 2: Convert to fraction form
    45,114.21/67,672.26 = 13,949.46/x
  3. Step 3: Cross multiply
    45,114.21x = 67,672.26 × 13,949.46
  4. Step 4: Simplify right side
    45,114.21x = 943,991,483.98
  5. Step 5: Solve for x
    x = 943,991,483.98/45,114.21
  6. Step 6: Final answer
    x = 20,924.48

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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.