Home / 20,527.71-30,791.58-4,945.35

Finding the Fourth Proportional to 20,527.71, 30,791.58 and 4,945.35

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Solution

The fourth proportional to 20,527.71, 30,791.58 and 4,945.35 is: 7,418.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,527.71 : 30,791.58 = 4,945.35 : x
  2. Step 2: Convert to fraction form
    20,527.71/30,791.58 = 4,945.35/x
  3. Step 3: Cross multiply
    20,527.71x = 30,791.58 × 4,945.35
  4. Step 4: Simplify right side
    20,527.71x = 152,275,140.15
  5. Step 5: Solve for x
    x = 152,275,140.15/20,527.71
  6. Step 6: Final answer
    x = 7,418.03

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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.