Home / 50,934.33-70,240.41-30,513.15

Finding the Fourth Proportional to 50,934.33, 70,240.41 and 30,513.15

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Solution

The fourth proportional to 50,934.33, 70,240.41 and 30,513.15 is: 42,078.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,934.33 : 70,240.41 = 30,513.15 : x
  2. Step 2: Convert to fraction form
    50,934.33/70,240.41 = 30,513.15/x
  3. Step 3: Cross multiply
    50,934.33x = 70,240.41 × 30,513.15
  4. Step 4: Simplify right side
    50,934.33x = 2,143,256,166.39
  5. Step 5: Solve for x
    x = 2,143,256,166.39/50,934.33
  6. Step 6: Final answer
    x = 42,078.81

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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.