Home / 53,819.83-80,730.15-18,759.52

Finding the Fourth Proportional to 53,819.83, 80,730.15 and 18,759.52

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Solution

The fourth proportional to 53,819.83, 80,730.15 and 18,759.52 is: 28,139.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,819.83 : 80,730.15 = 18,759.52 : x
  2. Step 2: Convert to fraction form
    53,819.83/80,730.15 = 18,759.52/x
  3. Step 3: Cross multiply
    53,819.83x = 80,730.15 × 18,759.52
  4. Step 4: Simplify right side
    53,819.83x = 1,514,458,863.53
  5. Step 5: Solve for x
    x = 1,514,458,863.53/53,819.83
  6. Step 6: Final answer
    x = 28,139.42

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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.