Home / 35,284.05-48,692.76-20,178.09

Finding the Fourth Proportional to 35,284.05, 48,692.76 and 20,178.09

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Solution

The fourth proportional to 35,284.05, 48,692.76 and 20,178.09 is: 27,846.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,284.05 : 48,692.76 = 20,178.09 : x
  2. Step 2: Convert to fraction form
    35,284.05/48,692.76 = 20,178.09/x
  3. Step 3: Cross multiply
    35,284.05x = 48,692.76 × 20,178.09
  4. Step 4: Simplify right side
    35,284.05x = 982,526,893.63
  5. Step 5: Solve for x
    x = 982,526,893.63/35,284.05
  6. Step 6: Final answer
    x = 27,846.21

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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.