Home / 55,168.36-82,804.48-39,389.15

Finding the Fourth Proportional to 55,168.36, 82,804.48 and 39,389.15

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Solution

The fourth proportional to 55,168.36, 82,804.48 and 39,389.15 is: 59,120.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,168.36 : 82,804.48 = 39,389.15 : x
  2. Step 2: Convert to fraction form
    55,168.36/82,804.48 = 39,389.15/x
  3. Step 3: Cross multiply
    55,168.36x = 82,804.48 × 39,389.15
  4. Step 4: Simplify right side
    55,168.36x = 3,261,598,191.93
  5. Step 5: Solve for x
    x = 3,261,598,191.93/55,168.36
  6. Step 6: Final answer
    x = 59,120.81

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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.