Home / 55,130.83-82,723.57-21,850.16

Finding the Fourth Proportional to 55,130.83, 82,723.57 and 21,850.16

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Solution

The fourth proportional to 55,130.83, 82,723.57 and 21,850.16 is: 32,786.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,130.83 : 82,723.57 = 21,850.16 : x
  2. Step 2: Convert to fraction form
    55,130.83/82,723.57 = 21,850.16/x
  3. Step 3: Cross multiply
    55,130.83x = 82,723.57 × 21,850.16
  4. Step 4: Simplify right side
    55,130.83x = 1,807,522,772.03
  5. Step 5: Solve for x
    x = 1,807,522,772.03/55,130.83
  6. Step 6: Final answer
    x = 32,786.06

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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.