Home / 53,836.04-80,741.62-20,543.96

Finding the Fourth Proportional to 53,836.04, 80,741.62 and 20,543.96

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Solution

The fourth proportional to 53,836.04, 80,741.62 and 20,543.96 is: 30,811.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,836.04 : 80,741.62 = 20,543.96 : x
  2. Step 2: Convert to fraction form
    53,836.04/80,741.62 = 20,543.96/x
  3. Step 3: Cross multiply
    53,836.04x = 80,741.62 × 20,543.96
  4. Step 4: Simplify right side
    53,836.04x = 1,658,752,611.62
  5. Step 5: Solve for x
    x = 1,658,752,611.62/53,836.04
  6. Step 6: Final answer
    x = 30,811.19

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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.