Home / 64,121.28-88,487.36-35,827.84

Finding the Fourth Proportional to 64,121.28, 88,487.36 and 35,827.84

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Solution

The fourth proportional to 64,121.28, 88,487.36 and 35,827.84 is: 49,442.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,121.28 : 88,487.36 = 35,827.84 : x
  2. Step 2: Convert to fraction form
    64,121.28/88,487.36 = 35,827.84/x
  3. Step 3: Cross multiply
    64,121.28x = 88,487.36 × 35,827.84
  4. Step 4: Simplify right side
    64,121.28x = 3,170,310,976.10
  5. Step 5: Solve for x
    x = 3,170,310,976.10/64,121.28
  6. Step 6: Final answer
    x = 49,442.42

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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.