Home / 49,645.68-68,516.44-28,431.92

Finding the Fourth Proportional to 49,645.68, 68,516.44 and 28,431.92

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Solution

The fourth proportional to 49,645.68, 68,516.44 and 28,431.92 is: 39,239.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,645.68 : 68,516.44 = 28,431.92 : x
  2. Step 2: Convert to fraction form
    49,645.68/68,516.44 = 28,431.92/x
  3. Step 3: Cross multiply
    49,645.68x = 68,516.44 × 28,431.92
  4. Step 4: Simplify right side
    49,645.68x = 1,948,053,940.76
  5. Step 5: Solve for x
    x = 1,948,053,940.76/49,645.68
  6. Step 6: Final answer
    x = 39,239.14

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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.