Home / 37,517.68-51,774.37-20,521.95

Finding the Fourth Proportional to 37,517.68, 51,774.37 and 20,521.95

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Solution

The fourth proportional to 37,517.68, 51,774.37 and 20,521.95 is: 28,320.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,517.68 : 51,774.37 = 20,521.95 : x
  2. Step 2: Convert to fraction form
    37,517.68/51,774.37 = 20,521.95/x
  3. Step 3: Cross multiply
    37,517.68x = 51,774.37 × 20,521.95
  4. Step 4: Simplify right side
    37,517.68x = 1,062,511,032.42
  5. Step 5: Solve for x
    x = 1,062,511,032.42/37,517.68
  6. Step 6: Final answer
    x = 28,320.28

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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.