Home / 55,530.88-83,296.26-18,090.90

Finding the Fourth Proportional to 55,530.88, 83,296.26 and 18,090.90

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Solution

The fourth proportional to 55,530.88, 83,296.26 and 18,090.90 is: 27,136.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,530.88 : 83,296.26 = 18,090.90 : x
  2. Step 2: Convert to fraction form
    55,530.88/83,296.26 = 18,090.90/x
  3. Step 3: Cross multiply
    55,530.88x = 83,296.26 × 18,090.90
  4. Step 4: Simplify right side
    55,530.88x = 1,506,904,310.03
  5. Step 5: Solve for x
    x = 1,506,904,310.03/55,530.88
  6. Step 6: Final answer
    x = 27,136.33

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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.