Home / 55,012.12-82,516.36-17,574.34

Finding the Fourth Proportional to 55,012.12, 82,516.36 and 17,574.34

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Solution

The fourth proportional to 55,012.12, 82,516.36 and 17,574.34 is: 26,360.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,012.12 : 82,516.36 = 17,574.34 : x
  2. Step 2: Convert to fraction form
    55,012.12/82,516.36 = 17,574.34/x
  3. Step 3: Cross multiply
    55,012.12x = 82,516.36 × 17,574.34
  4. Step 4: Simplify right side
    55,012.12x = 1,450,170,566.20
  5. Step 5: Solve for x
    x = 1,450,170,566.20/55,012.12
  6. Step 6: Final answer
    x = 26,360.93

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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.