Home / 37,668.24-51,980.40-20,900.88

Finding the Fourth Proportional to 37,668.24, 51,980.40 and 20,900.88

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Solution

The fourth proportional to 37,668.24, 51,980.40 and 20,900.88 is: 28,842.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,668.24 : 51,980.40 = 20,900.88 : x
  2. Step 2: Convert to fraction form
    37,668.24/51,980.40 = 20,900.88/x
  3. Step 3: Cross multiply
    37,668.24x = 51,980.40 × 20,900.88
  4. Step 4: Simplify right side
    37,668.24x = 1,086,436,102.75
  5. Step 5: Solve for x
    x = 1,086,436,102.75/37,668.24
  6. Step 6: Final answer
    x = 28,842.23

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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.