Home / 49,365.96-68,128.68-28,145.76

Finding the Fourth Proportional to 49,365.96, 68,128.68 and 28,145.76

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Solution

The fourth proportional to 49,365.96, 68,128.68 and 28,145.76 is: 38,843.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,365.96 : 68,128.68 = 28,145.76 : x
  2. Step 2: Convert to fraction form
    49,365.96/68,128.68 = 28,145.76/x
  3. Step 3: Cross multiply
    49,365.96x = 68,128.68 × 28,145.76
  4. Step 4: Simplify right side
    49,365.96x = 1,917,533,476.40
  5. Step 5: Solve for x
    x = 1,917,533,476.40/49,365.96
  6. Step 6: Final answer
    x = 38,843.23

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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.