Home / 57,714.80-86,576.04-20,270.32

Finding the Fourth Proportional to 57,714.80, 86,576.04 and 20,270.32

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Solution

The fourth proportional to 57,714.80, 86,576.04 and 20,270.32 is: 30,406.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,714.80 : 86,576.04 = 20,270.32 : x
  2. Step 2: Convert to fraction form
    57,714.80/86,576.04 = 20,270.32/x
  3. Step 3: Cross multiply
    57,714.80x = 86,576.04 × 20,270.32
  4. Step 4: Simplify right side
    57,714.80x = 1,754,924,035.13
  5. Step 5: Solve for x
    x = 1,754,924,035.13/57,714.80
  6. Step 6: Final answer
    x = 30,406.83

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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.