Home / 48,728.75-67,246.04-28,585.96

Finding the Fourth Proportional to 48,728.75, 67,246.04 and 28,585.96

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Solution

The fourth proportional to 48,728.75, 67,246.04 and 28,585.96 is: 39,448.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,728.75 : 67,246.04 = 28,585.96 : x
  2. Step 2: Convert to fraction form
    48,728.75/67,246.04 = 28,585.96/x
  3. Step 3: Cross multiply
    48,728.75x = 67,246.04 × 28,585.96
  4. Step 4: Simplify right side
    48,728.75x = 1,922,292,512.95
  5. Step 5: Solve for x
    x = 1,922,292,512.95/48,728.75
  6. Step 6: Final answer
    x = 39,448.84

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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.