Home / 53,165.55-79,748.33-15,722.71

Finding the Fourth Proportional to 53,165.55, 79,748.33 and 15,722.71

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Solution

The fourth proportional to 53,165.55, 79,748.33 and 15,722.71 is: 23,584.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,165.55 : 79,748.33 = 15,722.71 : x
  2. Step 2: Convert to fraction form
    53,165.55/79,748.33 = 15,722.71/x
  3. Step 3: Cross multiply
    53,165.55x = 79,748.33 × 15,722.71
  4. Step 4: Simplify right side
    53,165.55x = 1,253,859,507.56
  5. Step 5: Solve for x
    x = 1,253,859,507.56/53,165.55
  6. Step 6: Final answer
    x = 23,584.06

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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.