Home / 30,450.60-45,676.10-10,729.53

Finding the Fourth Proportional to 30,450.60, 45,676.10 and 10,729.53

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Solution

The fourth proportional to 30,450.60, 45,676.10 and 10,729.53 is: 16,094.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,450.60 : 45,676.10 = 10,729.53 : x
  2. Step 2: Convert to fraction form
    30,450.60/45,676.10 = 10,729.53/x
  3. Step 3: Cross multiply
    30,450.60x = 45,676.10 × 10,729.53
  4. Step 4: Simplify right side
    30,450.60x = 490,083,112.06
  5. Step 5: Solve for x
    x = 490,083,112.06/30,450.60
  6. Step 6: Final answer
    x = 16,094.37

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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.