Home / 37,760.70-52,109.68-20,765.99

Finding the Fourth Proportional to 37,760.70, 52,109.68 and 20,765.99

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Solution

The fourth proportional to 37,760.70, 52,109.68 and 20,765.99 is: 28,657.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,760.70 : 52,109.68 = 20,765.99 : x
  2. Step 2: Convert to fraction form
    37,760.70/52,109.68 = 20,765.99/x
  3. Step 3: Cross multiply
    37,760.70x = 52,109.68 × 20,765.99
  4. Step 4: Simplify right side
    37,760.70x = 1,082,108,729.40
  5. Step 5: Solve for x
    x = 1,082,108,729.40/37,760.70
  6. Step 6: Final answer
    x = 28,657.01

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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.