Home / 30,375.21-45,563.22-10,654.34

Finding the Fourth Proportional to 30,375.21, 45,563.22 and 10,654.34

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Solution

The fourth proportional to 30,375.21, 45,563.22 and 10,654.34 is: 15,981.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,375.21 : 45,563.22 = 10,654.34 : x
  2. Step 2: Convert to fraction form
    30,375.21/45,563.22 = 10,654.34/x
  3. Step 3: Cross multiply
    30,375.21x = 45,563.22 × 10,654.34
  4. Step 4: Simplify right side
    30,375.21x = 485,446,037.37
  5. Step 5: Solve for x
    x = 485,446,037.37/30,375.21
  6. Step 6: Final answer
    x = 15,981.65

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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.