Home / 55,983.08-83,980.94-18,548.04

Finding the Fourth Proportional to 55,983.08, 83,980.94 and 18,548.04

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Solution

The fourth proportional to 55,983.08, 83,980.94 and 18,548.04 is: 27,824.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,983.08 : 83,980.94 = 18,548.04 : x
  2. Step 2: Convert to fraction form
    55,983.08/83,980.94 = 18,548.04/x
  3. Step 3: Cross multiply
    55,983.08x = 83,980.94 × 18,548.04
  4. Step 4: Simplify right side
    55,983.08x = 1,557,681,834.36
  5. Step 5: Solve for x
    x = 1,557,681,834.36/55,983.08
  6. Step 6: Final answer
    x = 27,824.15

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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.