Home / 48,583.20-72,831.60-28,840.80

Finding the Fourth Proportional to 48,583.20, 72,831.60 and 28,840.80

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Solution

The fourth proportional to 48,583.20, 72,831.60 and 28,840.80 is: 43,235.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,583.20 : 72,831.60 = 28,840.80 : x
  2. Step 2: Convert to fraction form
    48,583.20/72,831.60 = 28,840.80/x
  3. Step 3: Cross multiply
    48,583.20x = 72,831.60 × 28,840.80
  4. Step 4: Simplify right side
    48,583.20x = 2,100,521,609.28
  5. Step 5: Solve for x
    x = 2,100,521,609.28/48,583.20
  6. Step 6: Final answer
    x = 43,235.55

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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.