Home / 30,134.86-41,586.06-18,195.86

Finding the Fourth Proportional to 30,134.86, 41,586.06 and 18,195.86

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Solution

The fourth proportional to 30,134.86, 41,586.06 and 18,195.86 is: 25,110.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,134.86 : 41,586.06 = 18,195.86 : x
  2. Step 2: Convert to fraction form
    30,134.86/41,586.06 = 18,195.86/x
  3. Step 3: Cross multiply
    30,134.86x = 41,586.06 × 18,195.86
  4. Step 4: Simplify right side
    30,134.86x = 756,694,125.71
  5. Step 5: Solve for x
    x = 756,694,125.71/30,134.86
  6. Step 6: Final answer
    x = 25,110.26

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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.