Home / 35,240.70-48,632.52-20,135.34

Finding the Fourth Proportional to 35,240.70, 48,632.52 and 20,135.34

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Solution

The fourth proportional to 35,240.70, 48,632.52 and 20,135.34 is: 27,786.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,240.70 : 48,632.52 = 20,135.34 : x
  2. Step 2: Convert to fraction form
    35,240.70/48,632.52 = 20,135.34/x
  3. Step 3: Cross multiply
    35,240.70x = 48,632.52 × 20,135.34
  4. Step 4: Simplify right side
    35,240.70x = 979,232,325.26
  5. Step 5: Solve for x
    x = 979,232,325.26/35,240.70
  6. Step 6: Final answer
    x = 27,786.97

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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.