Home / 37,694.24-52,021.20-20,930.72

Finding the Fourth Proportional to 37,694.24, 52,021.20 and 20,930.72

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Solution

The fourth proportional to 37,694.24, 52,021.20 and 20,930.72 is: 28,886.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,694.24 : 52,021.20 = 20,930.72 : x
  2. Step 2: Convert to fraction form
    37,694.24/52,021.20 = 20,930.72/x
  3. Step 3: Cross multiply
    37,694.24x = 52,021.20 × 20,930.72
  4. Step 4: Simplify right side
    37,694.24x = 1,088,841,171.26
  5. Step 5: Solve for x
    x = 1,088,841,171.26/37,694.24
  6. Step 6: Final answer
    x = 28,886.14

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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.