Home / 30,359.86-41,882.30-19,745.62

Finding the Fourth Proportional to 30,359.86, 41,882.30 and 19,745.62

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Solution

The fourth proportional to 30,359.86, 41,882.30 and 19,745.62 is: 27,239.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,359.86 : 41,882.30 = 19,745.62 : x
  2. Step 2: Convert to fraction form
    30,359.86/41,882.30 = 19,745.62/x
  3. Step 3: Cross multiply
    30,359.86x = 41,882.30 × 19,745.62
  4. Step 4: Simplify right side
    30,359.86x = 826,991,962.21
  5. Step 5: Solve for x
    x = 826,991,962.21/30,359.86
  6. Step 6: Final answer
    x = 27,239.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.