Home / 48,831.67-73,251.15-20,748.55

Finding the Fourth Proportional to 48,831.67, 73,251.15 and 20,748.55

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Solution

The fourth proportional to 48,831.67, 73,251.15 and 20,748.55 is: 31,124.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,831.67 : 73,251.15 = 20,748.55 : x
  2. Step 2: Convert to fraction form
    48,831.67/73,251.15 = 20,748.55/x
  3. Step 3: Cross multiply
    48,831.67x = 73,251.15 × 20,748.55
  4. Step 4: Simplify right side
    48,831.67x = 1,519,855,148.33
  5. Step 5: Solve for x
    x = 1,519,855,148.33/48,831.67
  6. Step 6: Final answer
    x = 31,124.37

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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.