Home / 53,789.34-80,511.48-28,766.82

Finding the Fourth Proportional to 53,789.34, 80,511.48 and 28,766.82

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Solution

The fourth proportional to 53,789.34, 80,511.48 and 28,766.82 is: 43,057.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,789.34 : 80,511.48 = 28,766.82 : x
  2. Step 2: Convert to fraction form
    53,789.34/80,511.48 = 28,766.82/x
  3. Step 3: Cross multiply
    53,789.34x = 80,511.48 × 28,766.82
  4. Step 4: Simplify right side
    53,789.34x = 2,316,059,253.09
  5. Step 5: Solve for x
    x = 2,316,059,253.09/53,789.34
  6. Step 6: Final answer
    x = 43,057.96

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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.