Home / 49,374.72-68,135.42-28,160.82

Finding the Fourth Proportional to 49,374.72, 68,135.42 and 28,160.82

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Solution

The fourth proportional to 49,374.72, 68,135.42 and 28,160.82 is: 38,860.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,374.72 : 68,135.42 = 28,160.82 : x
  2. Step 2: Convert to fraction form
    49,374.72/68,135.42 = 28,160.82/x
  3. Step 3: Cross multiply
    49,374.72x = 68,135.42 × 28,160.82
  4. Step 4: Simplify right side
    49,374.72x = 1,918,749,298.24
  5. Step 5: Solve for x
    x = 1,918,749,298.24/49,374.72
  6. Step 6: Final answer
    x = 38,860.97

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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.