Home / 49,378.45-68,141.96-28,157.26

Finding the Fourth Proportional to 49,378.45, 68,141.96 and 28,157.26

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Solution

The fourth proportional to 49,378.45, 68,141.96 and 28,157.26 is: 38,856.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,378.45 : 68,141.96 = 28,157.26 : x
  2. Step 2: Convert to fraction form
    49,378.45/68,141.96 = 28,157.26/x
  3. Step 3: Cross multiply
    49,378.45x = 68,141.96 × 28,157.26
  4. Step 4: Simplify right side
    49,378.45x = 1,918,690,884.63
  5. Step 5: Solve for x
    x = 1,918,690,884.63/49,378.45
  6. Step 6: Final answer
    x = 38,856.85

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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.