Home / 52,231.13-78,377.82-18,953.79

Finding the Fourth Proportional to 52,231.13, 78,377.82 and 18,953.79

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Solution

The fourth proportional to 52,231.13, 78,377.82 and 18,953.79 is: 28,441.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,231.13 : 78,377.82 = 18,953.79 : x
  2. Step 2: Convert to fraction form
    52,231.13/78,377.82 = 18,953.79/x
  3. Step 3: Cross multiply
    52,231.13x = 78,377.82 × 18,953.79
  4. Step 4: Simplify right side
    52,231.13x = 1,485,556,447.02
  5. Step 5: Solve for x
    x = 1,485,556,447.02/52,231.13
  6. Step 6: Final answer
    x = 28,441.98

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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.