Home / 38,276.70-57,292.19-20,462.83

Finding the Fourth Proportional to 38,276.70, 57,292.19 and 20,462.83

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Solution

The fourth proportional to 38,276.70, 57,292.19 and 20,462.83 is: 30,628.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,276.70 : 57,292.19 = 20,462.83 : x
  2. Step 2: Convert to fraction form
    38,276.70/57,292.19 = 20,462.83/x
  3. Step 3: Cross multiply
    38,276.70x = 57,292.19 × 20,462.83
  4. Step 4: Simplify right side
    38,276.70x = 1,172,360,117.94
  5. Step 5: Solve for x
    x = 1,172,360,117.94/38,276.70
  6. Step 6: Final answer
    x = 30,628.56

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1.5x scale

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.