Home / 64,829.28-89,456.26-36,141.92

Finding the Fourth Proportional to 64,829.28, 89,456.26 and 36,141.92

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Solution

The fourth proportional to 64,829.28, 89,456.26 and 36,141.92 is: 49,871.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,829.28 : 89,456.26 = 36,141.92 : x
  2. Step 2: Convert to fraction form
    64,829.28/89,456.26 = 36,141.92/x
  3. Step 3: Cross multiply
    64,829.28x = 89,456.26 × 36,141.92
  4. Step 4: Simplify right side
    64,829.28x = 3,233,120,992.42
  5. Step 5: Solve for x
    x = 3,233,120,992.42/64,829.28
  6. Step 6: Final answer
    x = 49,871.31

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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.