Home / 55,132.38-82,686.06-15,688.62

Finding the Fourth Proportional to 55,132.38, 82,686.06 and 15,688.62

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Solution

The fourth proportional to 55,132.38, 82,686.06 and 15,688.62 is: 23,529.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,132.38 : 82,686.06 = 15,688.62 : x
  2. Step 2: Convert to fraction form
    55,132.38/82,686.06 = 15,688.62/x
  3. Step 3: Cross multiply
    55,132.38x = 82,686.06 × 15,688.62
  4. Step 4: Simplify right side
    55,132.38x = 1,297,230,174.64
  5. Step 5: Solve for x
    x = 1,297,230,174.64/55,132.38
  6. Step 6: Final answer
    x = 23,529.37

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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.