Home / 37,517.96-51,775.12-20,521.86

Finding the Fourth Proportional to 37,517.96, 51,775.12 and 20,521.86

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Solution

The fourth proportional to 37,517.96, 51,775.12 and 20,521.86 is: 28,320.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,517.96 : 51,775.12 = 20,521.86 : x
  2. Step 2: Convert to fraction form
    37,517.96/51,775.12 = 20,521.86/x
  3. Step 3: Cross multiply
    37,517.96x = 51,775.12 × 20,521.86
  4. Step 4: Simplify right side
    37,517.96x = 1,062,521,764.12
  5. Step 5: Solve for x
    x = 1,062,521,764.12/37,517.96
  6. Step 6: Final answer
    x = 28,320.35

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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.