Home / 48,609-72,941.85-20,527.38

Finding the Fourth Proportional to 48,609, 72,941.85 and 20,527.38

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Solution

The fourth proportional to 48,609, 72,941.85 and 20,527.38 is: 30,803.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,609 : 72,941.85 = 20,527.38 : x
  2. Step 2: Convert to fraction form
    48,609/72,941.85 = 20,527.38/x
  3. Step 3: Cross multiply
    48,609x = 72,941.85 × 20,527.38
  4. Step 4: Simplify right side
    48,609x = 1,497,305,072.85
  5. Step 5: Solve for x
    x = 1,497,305,072.85/48,609
  6. Step 6: Final answer
    x = 30,803.04

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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.