Home / 37,582.60-51,863.88-20,815.60

Finding the Fourth Proportional to 37,582.60, 51,863.88 and 20,815.60

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Solution

The fourth proportional to 37,582.60, 51,863.88 and 20,815.60 is: 28,725.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,582.60 : 51,863.88 = 20,815.60 : x
  2. Step 2: Convert to fraction form
    37,582.60/51,863.88 = 20,815.60/x
  3. Step 3: Cross multiply
    37,582.60x = 51,863.88 × 20,815.60
  4. Step 4: Simplify right side
    37,582.60x = 1,079,577,780.53
  5. Step 5: Solve for x
    x = 1,079,577,780.53/37,582.60
  6. Step 6: Final answer
    x = 28,725.47

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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.