Home / 55,197.50-76,172.56-30,047

Finding the Fourth Proportional to 55,197.50, 76,172.56 and 30,047

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Solution

The fourth proportional to 55,197.50, 76,172.56 and 30,047 is: 41,464.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,197.50 : 76,172.56 = 30,047 : x
  2. Step 2: Convert to fraction form
    55,197.50/76,172.56 = 30,047/x
  3. Step 3: Cross multiply
    55,197.50x = 76,172.56 × 30,047
  4. Step 4: Simplify right side
    55,197.50x = 2,288,756,910.32
  5. Step 5: Solve for x
    x = 2,288,756,910.32/55,197.50
  6. Step 6: Final answer
    x = 41,464.87

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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.