Home / 35,336.88-48,768.30-20,230.77

Finding the Fourth Proportional to 35,336.88, 48,768.30 and 20,230.77

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Solution

The fourth proportional to 35,336.88, 48,768.30 and 20,230.77 is: 27,920.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,336.88 : 48,768.30 = 20,230.77 : x
  2. Step 2: Convert to fraction form
    35,336.88/48,768.30 = 20,230.77/x
  3. Step 3: Cross multiply
    35,336.88x = 48,768.30 × 20,230.77
  4. Step 4: Simplify right side
    35,336.88x = 986,620,260.59
  5. Step 5: Solve for x
    x = 986,620,260.59/35,336.88
  6. Step 6: Final answer
    x = 27,920.41

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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.