Home / 35,972.69-49,642.60-20,058.21

Finding the Fourth Proportional to 35,972.69, 49,642.60 and 20,058.21

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Solution

The fourth proportional to 35,972.69, 49,642.60 and 20,058.21 is: 27,680.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,972.69 : 49,642.60 = 20,058.21 : x
  2. Step 2: Convert to fraction form
    35,972.69/49,642.60 = 20,058.21/x
  3. Step 3: Cross multiply
    35,972.69x = 49,642.60 × 20,058.21
  4. Step 4: Simplify right side
    35,972.69x = 995,741,645.60
  5. Step 5: Solve for x
    x = 995,741,645.60/35,972.69
  6. Step 6: Final answer
    x = 27,680.49

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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.