Home / 53,729.46-80,595-18,669.96

Finding the Fourth Proportional to 53,729.46, 80,595 and 18,669.96

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Solution

The fourth proportional to 53,729.46, 80,595 and 18,669.96 is: 28,005.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,729.46 : 80,595 = 18,669.96 : x
  2. Step 2: Convert to fraction form
    53,729.46/80,595 = 18,669.96/x
  3. Step 3: Cross multiply
    53,729.46x = 80,595 × 18,669.96
  4. Step 4: Simplify right side
    53,729.46x = 1,504,705,426.20
  5. Step 5: Solve for x
    x = 1,504,705,426.20/53,729.46
  6. Step 6: Final answer
    x = 28,005.22

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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.