Home / 48,468.37-72,688.52-18,879.61

Finding the Fourth Proportional to 48,468.37, 72,688.52 and 18,879.61

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Solution

The fourth proportional to 48,468.37, 72,688.52 and 18,879.61 is: 28,313.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,468.37 : 72,688.52 = 18,879.61 : x
  2. Step 2: Convert to fraction form
    48,468.37/72,688.52 = 18,879.61/x
  3. Step 3: Cross multiply
    48,468.37x = 72,688.52 × 18,879.61
  4. Step 4: Simplify right side
    48,468.37x = 1,372,330,909.08
  5. Step 5: Solve for x
    x = 1,372,330,909.08/48,468.37
  6. Step 6: Final answer
    x = 28,313.95

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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.