Home / 36,378.36-54,569.84-11,419.38

Finding the Fourth Proportional to 36,378.36, 54,569.84 and 11,419.38

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Solution

The fourth proportional to 36,378.36, 54,569.84 and 11,419.38 is: 17,129.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,378.36 : 54,569.84 = 11,419.38 : x
  2. Step 2: Convert to fraction form
    36,378.36/54,569.84 = 11,419.38/x
  3. Step 3: Cross multiply
    36,378.36x = 54,569.84 × 11,419.38
  4. Step 4: Simplify right side
    36,378.36x = 623,153,739.50
  5. Step 5: Solve for x
    x = 623,153,739.50/36,378.36
  6. Step 6: Final answer
    x = 17,129.79

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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.