Home / 35,273.57-48,678.45-20,168.69

Finding the Fourth Proportional to 35,273.57, 48,678.45 and 20,168.69

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Solution

The fourth proportional to 35,273.57, 48,678.45 and 20,168.69 is: 27,833.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,273.57 : 48,678.45 = 20,168.69 : x
  2. Step 2: Convert to fraction form
    35,273.57/48,678.45 = 20,168.69/x
  3. Step 3: Cross multiply
    35,273.57x = 48,678.45 × 20,168.69
  4. Step 4: Simplify right side
    35,273.57x = 981,780,567.73
  5. Step 5: Solve for x
    x = 981,780,567.73/35,273.57
  6. Step 6: Final answer
    x = 27,833.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.