Home / 55,399.62-83,092.12-15,421.26

Finding the Fourth Proportional to 55,399.62, 83,092.12 and 15,421.26

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Solution

The fourth proportional to 55,399.62, 83,092.12 and 15,421.26 is: 23,129.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,399.62 : 83,092.12 = 15,421.26 : x
  2. Step 2: Convert to fraction form
    55,399.62/83,092.12 = 15,421.26/x
  3. Step 3: Cross multiply
    55,399.62x = 83,092.12 × 15,421.26
  4. Step 4: Simplify right side
    55,399.62x = 1,281,385,186.47
  5. Step 5: Solve for x
    x = 1,281,385,186.47/55,399.62
  6. Step 6: Final answer
    x = 23,129.86

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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.