Home / 30,174.63-41,641.23-18,245.91

Finding the Fourth Proportional to 30,174.63, 41,641.23 and 18,245.91

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Solution

The fourth proportional to 30,174.63, 41,641.23 and 18,245.91 is: 25,179.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,174.63 : 41,641.23 = 18,245.91 : x
  2. Step 2: Convert to fraction form
    30,174.63/41,641.23 = 18,245.91/x
  3. Step 3: Cross multiply
    30,174.63x = 41,641.23 × 18,245.91
  4. Step 4: Simplify right side
    30,174.63x = 759,782,134.87
  5. Step 5: Solve for x
    x = 759,782,134.87/30,174.63
  6. Step 6: Final answer
    x = 25,179.50

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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.