Home / 55,162.46-82,756.68-15,720.14

Finding the Fourth Proportional to 55,162.46, 82,756.68 and 15,720.14

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Solution

The fourth proportional to 55,162.46, 82,756.68 and 15,720.14 is: 23,583.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,162.46 : 82,756.68 = 15,720.14 : x
  2. Step 2: Convert to fraction form
    55,162.46/82,756.68 = 15,720.14/x
  3. Step 3: Cross multiply
    55,162.46x = 82,756.68 × 15,720.14
  4. Step 4: Simplify right side
    55,162.46x = 1,300,946,595.54
  5. Step 5: Solve for x
    x = 1,300,946,595.54/55,162.46
  6. Step 6: Final answer
    x = 23,583.91

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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.