Home / 48,455.22-72,641.79-18,893.76

Finding the Fourth Proportional to 48,455.22, 72,641.79 and 18,893.76

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Solution

The fourth proportional to 48,455.22, 72,641.79 and 18,893.76 is: 28,324.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,455.22 : 72,641.79 = 18,893.76 : x
  2. Step 2: Convert to fraction form
    48,455.22/72,641.79 = 18,893.76/x
  3. Step 3: Cross multiply
    48,455.22x = 72,641.79 × 18,893.76
  4. Step 4: Simplify right side
    48,455.22x = 1,372,476,546.23
  5. Step 5: Solve for x
    x = 1,372,476,546.23/48,455.22
  6. Step 6: Final answer
    x = 28,324.64

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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.