Home / 35,558.70-49,072.49-20,451.36

Finding the Fourth Proportional to 35,558.70, 49,072.49 and 20,451.36

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Solution

The fourth proportional to 35,558.70, 49,072.49 and 20,451.36 is: 28,223.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,558.70 : 49,072.49 = 20,451.36 : x
  2. Step 2: Convert to fraction form
    35,558.70/49,072.49 = 20,451.36/x
  3. Step 3: Cross multiply
    35,558.70x = 49,072.49 × 20,451.36
  4. Step 4: Simplify right side
    35,558.70x = 1,003,599,159.09
  5. Step 5: Solve for x
    x = 1,003,599,159.09/35,558.70
  6. Step 6: Final answer
    x = 28,223.73

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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.