Home / 37,581.12-51,863.52-20,812.96

Finding the Fourth Proportional to 37,581.12, 51,863.52 and 20,812.96

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Solution

The fourth proportional to 37,581.12, 51,863.52 and 20,812.96 is: 28,722.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,581.12 : 51,863.52 = 20,812.96 : x
  2. Step 2: Convert to fraction form
    37,581.12/51,863.52 = 20,812.96/x
  3. Step 3: Cross multiply
    37,581.12x = 51,863.52 × 20,812.96
  4. Step 4: Simplify right side
    37,581.12x = 1,079,433,367.22
  5. Step 5: Solve for x
    x = 1,079,433,367.22/37,581.12
  6. Step 6: Final answer
    x = 28,722.76

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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.