Home / 64,485.28-88,983.60-36,185.44

Finding the Fourth Proportional to 64,485.28, 88,983.60 and 36,185.44

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Solution

The fourth proportional to 64,485.28, 88,983.60 and 36,185.44 is: 49,932.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,485.28 : 88,983.60 = 36,185.44 : x
  2. Step 2: Convert to fraction form
    64,485.28/88,983.60 = 36,185.44/x
  3. Step 3: Cross multiply
    64,485.28x = 88,983.60 × 36,185.44
  4. Step 4: Simplify right side
    64,485.28x = 3,219,910,718.78
  5. Step 5: Solve for x
    x = 3,219,910,718.78/64,485.28
  6. Step 6: Final answer
    x = 49,932.49

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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.