Home / 49,425.72-68,212.40-28,208.20

Finding the Fourth Proportional to 49,425.72, 68,212.40 and 28,208.20

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Solution

The fourth proportional to 49,425.72, 68,212.40 and 28,208.20 is: 38,930.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,425.72 : 68,212.40 = 28,208.20 : x
  2. Step 2: Convert to fraction form
    49,425.72/68,212.40 = 28,208.20/x
  3. Step 3: Cross multiply
    49,425.72x = 68,212.40 × 28,208.20
  4. Step 4: Simplify right side
    49,425.72x = 1,924,149,021.68
  5. Step 5: Solve for x
    x = 1,924,149,021.68/49,425.72
  6. Step 6: Final answer
    x = 38,930.12

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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.