Home / 35,242.49-48,633.59-20,135.09

Finding the Fourth Proportional to 35,242.49, 48,633.59 and 20,135.09

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Solution

The fourth proportional to 35,242.49, 48,633.59 and 20,135.09 is: 27,785.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,242.49 : 48,633.59 = 20,135.09 : x
  2. Step 2: Convert to fraction form
    35,242.49/48,633.59 = 20,135.09/x
  3. Step 3: Cross multiply
    35,242.49x = 48,633.59 × 20,135.09
  4. Step 4: Simplify right side
    35,242.49x = 979,241,611.00
  5. Step 5: Solve for x
    x = 979,241,611.00/35,242.49
  6. Step 6: Final answer
    x = 27,785.82

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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.