Home / 20,536.40-30,804.64-4,954.03

Finding the Fourth Proportional to 20,536.40, 30,804.64 and 4,954.03

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Solution

The fourth proportional to 20,536.40, 30,804.64 and 4,954.03 is: 7,431.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,536.40 : 30,804.64 = 4,954.03 : x
  2. Step 2: Convert to fraction form
    20,536.40/30,804.64 = 4,954.03/x
  3. Step 3: Cross multiply
    20,536.40x = 30,804.64 × 4,954.03
  4. Step 4: Simplify right side
    20,536.40x = 152,607,021.30
  5. Step 5: Solve for x
    x = 152,607,021.30/20,536.40
  6. Step 6: Final answer
    x = 7,431.05

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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.