Home / 35,970.72-49,639.68-20,058.36

Finding the Fourth Proportional to 35,970.72, 49,639.68 and 20,058.36

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Solution

The fourth proportional to 35,970.72, 49,639.68 and 20,058.36 is: 27,680.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,970.72 : 49,639.68 = 20,058.36 : x
  2. Step 2: Convert to fraction form
    35,970.72/49,639.68 = 20,058.36/x
  3. Step 3: Cross multiply
    35,970.72x = 49,639.68 × 20,058.36
  4. Step 4: Simplify right side
    35,970.72x = 995,690,571.72
  5. Step 5: Solve for x
    x = 995,690,571.72/35,970.72
  6. Step 6: Final answer
    x = 27,680.58

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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.