Home / 53,601.28-80,405.79-14,157.88

Finding the Fourth Proportional to 53,601.28, 80,405.79 and 14,157.88

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Solution

The fourth proportional to 53,601.28, 80,405.79 and 14,157.88 is: 21,237.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,601.28 : 80,405.79 = 14,157.88 : x
  2. Step 2: Convert to fraction form
    53,601.28/80,405.79 = 14,157.88/x
  3. Step 3: Cross multiply
    53,601.28x = 80,405.79 × 14,157.88
  4. Step 4: Simplify right side
    53,601.28x = 1,138,375,053.31
  5. Step 5: Solve for x
    x = 1,138,375,053.31/53,601.28
  6. Step 6: Final answer
    x = 21,237.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.