Home / 35,120.36-48,465.63-20,013.92

Finding the Fourth Proportional to 35,120.36, 48,465.63 and 20,013.92

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Solution

The fourth proportional to 35,120.36, 48,465.63 and 20,013.92 is: 27,618.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,120.36 : 48,465.63 = 20,013.92 : x
  2. Step 2: Convert to fraction form
    35,120.36/48,465.63 = 20,013.92/x
  3. Step 3: Cross multiply
    35,120.36x = 48,465.63 × 20,013.92
  4. Step 4: Simplify right side
    35,120.36x = 969,987,241.57
  5. Step 5: Solve for x
    x = 969,987,241.57/35,120.36
  6. Step 6: Final answer
    x = 27,618.94

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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.