Home / 49,748.40-68,650.80-28,512.96

Finding the Fourth Proportional to 49,748.40, 68,650.80 and 28,512.96

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Solution

The fourth proportional to 49,748.40, 68,650.80 and 28,512.96 is: 39,346.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,748.40 : 68,650.80 = 28,512.96 : x
  2. Step 2: Convert to fraction form
    49,748.40/68,650.80 = 28,512.96/x
  3. Step 3: Cross multiply
    49,748.40x = 68,650.80 × 28,512.96
  4. Step 4: Simplify right side
    49,748.40x = 1,957,437,514.37
  5. Step 5: Solve for x
    x = 1,957,437,514.37/49,748.40
  6. Step 6: Final answer
    x = 39,346.74

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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.