Home / 35,406.57-48,855.34-20,296.45

Finding the Fourth Proportional to 35,406.57, 48,855.34 and 20,296.45

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Solution

The fourth proportional to 35,406.57, 48,855.34 and 20,296.45 is: 28,005.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,406.57 : 48,855.34 = 20,296.45 : x
  2. Step 2: Convert to fraction form
    35,406.57/48,855.34 = 20,296.45/x
  3. Step 3: Cross multiply
    35,406.57x = 48,855.34 × 20,296.45
  4. Step 4: Simplify right side
    35,406.57x = 991,589,965.54
  5. Step 5: Solve for x
    x = 991,589,965.54/35,406.57
  6. Step 6: Final answer
    x = 28,005.82

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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.