Home / 35,807.12-49,408.32-20,696.87

Finding the Fourth Proportional to 35,807.12, 49,408.32 and 20,696.87

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Solution

The fourth proportional to 35,807.12, 49,408.32 and 20,696.87 is: 28,558.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,807.12 : 49,408.32 = 20,696.87 : x
  2. Step 2: Convert to fraction form
    35,807.12/49,408.32 = 20,696.87/x
  3. Step 3: Cross multiply
    35,807.12x = 49,408.32 × 20,696.87
  4. Step 4: Simplify right side
    35,807.12x = 1,022,597,328.92
  5. Step 5: Solve for x
    x = 1,022,597,328.92/35,807.12
  6. Step 6: Final answer
    x = 28,558.50

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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.