Home / 48,630.62-72,953.73-20,550.95

Finding the Fourth Proportional to 48,630.62, 72,953.73 and 20,550.95

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Solution

The fourth proportional to 48,630.62, 72,953.73 and 20,550.95 is: 30,829.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,630.62 : 72,953.73 = 20,550.95 : x
  2. Step 2: Convert to fraction form
    48,630.62/72,953.73 = 20,550.95/x
  3. Step 3: Cross multiply
    48,630.62x = 72,953.73 × 20,550.95
  4. Step 4: Simplify right side
    48,630.62x = 1,499,268,457.54
  5. Step 5: Solve for x
    x = 1,499,268,457.54/48,630.62
  6. Step 6: Final answer
    x = 30,829.72

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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.