Home / 52,789.14-79,186.43-13,346.59

Finding the Fourth Proportional to 52,789.14, 79,186.43 and 13,346.59

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Solution

The fourth proportional to 52,789.14, 79,186.43 and 13,346.59 is: 20,020.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,789.14 : 79,186.43 = 13,346.59 : x
  2. Step 2: Convert to fraction form
    52,789.14/79,186.43 = 13,346.59/x
  3. Step 3: Cross multiply
    52,789.14x = 79,186.43 × 13,346.59
  4. Step 4: Simplify right side
    52,789.14x = 1,056,868,814.77
  5. Step 5: Solve for x
    x = 1,056,868,814.77/52,789.14
  6. Step 6: Final answer
    x = 20,020.57

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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.