Home / 49,341.96-68,090.22-28,128.06

Finding the Fourth Proportional to 49,341.96, 68,090.22 and 28,128.06

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Solution

The fourth proportional to 49,341.96, 68,090.22 and 28,128.06 is: 38,815.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,341.96 : 68,090.22 = 28,128.06 : x
  2. Step 2: Convert to fraction form
    49,341.96/68,090.22 = 28,128.06/x
  3. Step 3: Cross multiply
    49,341.96x = 68,090.22 × 28,128.06
  4. Step 4: Simplify right side
    49,341.96x = 1,915,245,793.57
  5. Step 5: Solve for x
    x = 1,915,245,793.57/49,341.96
  6. Step 6: Final answer
    x = 38,815.76

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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.