Home / 29,469.15-40,668.30-18,145.18

Finding the Fourth Proportional to 29,469.15, 40,668.30 and 18,145.18

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Solution

The fourth proportional to 29,469.15, 40,668.30 and 18,145.18 is: 25,040.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,469.15 : 40,668.30 = 18,145.18 : x
  2. Step 2: Convert to fraction form
    29,469.15/40,668.30 = 18,145.18/x
  3. Step 3: Cross multiply
    29,469.15x = 40,668.30 × 18,145.18
  4. Step 4: Simplify right side
    29,469.15x = 737,933,623.79
  5. Step 5: Solve for x
    x = 737,933,623.79/29,469.15
  6. Step 6: Final answer
    x = 25,040.89

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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.