Home / 37,584.24-51,869.40-20,818.80

Finding the Fourth Proportional to 37,584.24, 51,869.40 and 20,818.80

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Solution

The fourth proportional to 37,584.24, 51,869.40 and 20,818.80 is: 28,731.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,584.24 : 51,869.40 = 20,818.80 : x
  2. Step 2: Convert to fraction form
    37,584.24/51,869.40 = 20,818.80/x
  3. Step 3: Cross multiply
    37,584.24x = 51,869.40 × 20,818.80
  4. Step 4: Simplify right side
    37,584.24x = 1,079,858,664.72
  5. Step 5: Solve for x
    x = 1,079,858,664.72/37,584.24
  6. Step 6: Final answer
    x = 28,731.69

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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.