Home / 53,299.54-79,942.02-15,865.39

Finding the Fourth Proportional to 53,299.54, 79,942.02 and 15,865.39

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Solution

The fourth proportional to 53,299.54, 79,942.02 and 15,865.39 is: 23,795.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,299.54 : 79,942.02 = 15,865.39 : x
  2. Step 2: Convert to fraction form
    53,299.54/79,942.02 = 15,865.39/x
  3. Step 3: Cross multiply
    53,299.54x = 79,942.02 × 15,865.39
  4. Step 4: Simplify right side
    53,299.54x = 1,268,311,324.69
  5. Step 5: Solve for x
    x = 1,268,311,324.69/53,299.54
  6. Step 6: Final answer
    x = 23,795.92

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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.