Home / 50,959.11-70,324.21-28,299.51

Finding the Fourth Proportional to 50,959.11, 70,324.21 and 28,299.51

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Solution

The fourth proportional to 50,959.11, 70,324.21 and 28,299.51 is: 39,053.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,959.11 : 70,324.21 = 28,299.51 : x
  2. Step 2: Convert to fraction form
    50,959.11/70,324.21 = 28,299.51/x
  3. Step 3: Cross multiply
    50,959.11x = 70,324.21 × 28,299.51
  4. Step 4: Simplify right side
    50,959.11x = 1,990,140,684.14
  5. Step 5: Solve for x
    x = 1,990,140,684.14/50,959.11
  6. Step 6: Final answer
    x = 39,053.68

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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.