Home / 52,218.22-78,301.62-18,933.31

Finding the Fourth Proportional to 52,218.22, 78,301.62 and 18,933.31

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Solution

The fourth proportional to 52,218.22, 78,301.62 and 18,933.31 is: 28,390.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,218.22 : 78,301.62 = 18,933.31 : x
  2. Step 2: Convert to fraction form
    52,218.22/78,301.62 = 18,933.31/x
  3. Step 3: Cross multiply
    52,218.22x = 78,301.62 × 18,933.31
  4. Step 4: Simplify right side
    52,218.22x = 1,482,508,844.96
  5. Step 5: Solve for x
    x = 1,482,508,844.96/52,218.22
  6. Step 6: Final answer
    x = 28,390.64

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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.