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Finding the Fourth Proportional to 35,285, 48,692.76 and 20,179.08

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Solution

The fourth proportional to 35,285, 48,692.76 and 20,179.08 is: 27,846.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,285 : 48,692.76 = 20,179.08 : x
  2. Step 2: Convert to fraction form
    35,285/48,692.76 = 20,179.08/x
  3. Step 3: Cross multiply
    35,285x = 48,692.76 × 20,179.08
  4. Step 4: Simplify right side
    35,285x = 982,575,099.46
  5. Step 5: Solve for x
    x = 982,575,099.46/35,285
  6. Step 6: Final answer
    x = 27,846.82

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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.