Home / 48,684.76-72,910.50-43,435.96

Finding the Fourth Proportional to 48,684.76, 72,910.50 and 43,435.96

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Solution

The fourth proportional to 48,684.76, 72,910.50 and 43,435.96 is: 65,049.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,684.76 : 72,910.50 = 43,435.96 : x
  2. Step 2: Convert to fraction form
    48,684.76/72,910.50 = 43,435.96/x
  3. Step 3: Cross multiply
    48,684.76x = 72,910.50 × 43,435.96
  4. Step 4: Simplify right side
    48,684.76x = 3,166,937,561.58
  5. Step 5: Solve for x
    x = 3,166,937,561.58/48,684.76
  6. Step 6: Final answer
    x = 65,049.88

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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.