Home / 42,804.60-64,195.38-15,099

Finding the Fourth Proportional to 42,804.60, 64,195.38 and 15,099

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Solution

The fourth proportional to 42,804.60, 64,195.38 and 15,099 is: 22,644.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,804.60 : 64,195.38 = 15,099 : x
  2. Step 2: Convert to fraction form
    42,804.60/64,195.38 = 15,099/x
  3. Step 3: Cross multiply
    42,804.60x = 64,195.38 × 15,099
  4. Step 4: Simplify right side
    42,804.60x = 969,286,042.62
  5. Step 5: Solve for x
    x = 969,286,042.62/42,804.60
  6. Step 6: Final answer
    x = 22,644.44

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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.