Home / 53,157.92-79,738.42-13,715.03

Finding the Fourth Proportional to 53,157.92, 79,738.42 and 13,715.03

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Solution

The fourth proportional to 53,157.92, 79,738.42 and 13,715.03 is: 20,572.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,157.92 : 79,738.42 = 13,715.03 : x
  2. Step 2: Convert to fraction form
    53,157.92/79,738.42 = 13,715.03/x
  3. Step 3: Cross multiply
    53,157.92x = 79,738.42 × 13,715.03
  4. Step 4: Simplify right side
    53,157.92x = 1,093,614,753.88
  5. Step 5: Solve for x
    x = 1,093,614,753.88/53,157.92
  6. Step 6: Final answer
    x = 20,572.94

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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.