Home / 48,495.80-72,729.30-18,896.60

Finding the Fourth Proportional to 48,495.80, 72,729.30 and 18,896.60

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Solution

The fourth proportional to 48,495.80, 72,729.30 and 18,896.60 is: 28,339.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,495.80 : 72,729.30 = 18,896.60 : x
  2. Step 2: Convert to fraction form
    48,495.80/72,729.30 = 18,896.60/x
  3. Step 3: Cross multiply
    48,495.80x = 72,729.30 × 18,896.60
  4. Step 4: Simplify right side
    48,495.80x = 1,374,336,490.38
  5. Step 5: Solve for x
    x = 1,374,336,490.38/48,495.80
  6. Step 6: Final answer
    x = 28,339.29

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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.