Home / 57,145.20-85,708.08-15,582.48

Finding the Fourth Proportional to 57,145.20, 85,708.08 and 15,582.48

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Solution

The fourth proportional to 57,145.20, 85,708.08 and 15,582.48 is: 23,371.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,145.20 : 85,708.08 = 15,582.48 : x
  2. Step 2: Convert to fraction form
    57,145.20/85,708.08 = 15,582.48/x
  3. Step 3: Cross multiply
    57,145.20x = 85,708.08 × 15,582.48
  4. Step 4: Simplify right side
    57,145.20x = 1,335,544,442.44
  5. Step 5: Solve for x
    x = 1,335,544,442.44/57,145.20
  6. Step 6: Final answer
    x = 23,371.07

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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.