Home / 49,390.96-68,142.60-28,154.88

Finding the Fourth Proportional to 49,390.96, 68,142.60 and 28,154.88

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Solution

The fourth proportional to 49,390.96, 68,142.60 and 28,154.88 is: 38,844.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,390.96 : 68,142.60 = 28,154.88 : x
  2. Step 2: Convert to fraction form
    49,390.96/68,142.60 = 28,154.88/x
  3. Step 3: Cross multiply
    49,390.96x = 68,142.60 × 28,154.88
  4. Step 4: Simplify right side
    49,390.96x = 1,918,546,725.89
  5. Step 5: Solve for x
    x = 1,918,546,725.89/49,390.96
  6. Step 6: Final answer
    x = 38,844.09

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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.