Home / 35,558.87-49,080.74-20,453.18

Finding the Fourth Proportional to 35,558.87, 49,080.74 and 20,453.18

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Solution

The fourth proportional to 35,558.87, 49,080.74 and 20,453.18 is: 28,230.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,558.87 : 49,080.74 = 20,453.18 : x
  2. Step 2: Convert to fraction form
    35,558.87/49,080.74 = 20,453.18/x
  3. Step 3: Cross multiply
    35,558.87x = 49,080.74 × 20,453.18
  4. Step 4: Simplify right side
    35,558.87x = 1,003,856,862.08
  5. Step 5: Solve for x
    x = 1,003,856,862.08/35,558.87
  6. Step 6: Final answer
    x = 28,230.85

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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.