Home / 52,921.68-79,338.24-19,623.12

Finding the Fourth Proportional to 52,921.68, 79,338.24 and 19,623.12

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Solution

The fourth proportional to 52,921.68, 79,338.24 and 19,623.12 is: 29,418.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,921.68 : 79,338.24 = 19,623.12 : x
  2. Step 2: Convert to fraction form
    52,921.68/79,338.24 = 19,623.12/x
  3. Step 3: Cross multiply
    52,921.68x = 79,338.24 × 19,623.12
  4. Step 4: Simplify right side
    52,921.68x = 1,556,863,804.11
  5. Step 5: Solve for x
    x = 1,556,863,804.11/52,921.68
  6. Step 6: Final answer
    x = 29,418.26

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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.