Home / 53,021.91-79,513.38-15,572.37

Finding the Fourth Proportional to 53,021.91, 79,513.38 and 15,572.37

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Solution

The fourth proportional to 53,021.91, 79,513.38 and 15,572.37 is: 23,352.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,021.91 : 79,513.38 = 15,572.37 : x
  2. Step 2: Convert to fraction form
    53,021.91/79,513.38 = 15,572.37/x
  3. Step 3: Cross multiply
    53,021.91x = 79,513.38 × 15,572.37
  4. Step 4: Simplify right side
    53,021.91x = 1,238,211,773.31
  5. Step 5: Solve for x
    x = 1,238,211,773.31/53,021.91
  6. Step 6: Final answer
    x = 23,352.83

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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.