Home / 37,578.31-51,856.21-20,582.63

Finding the Fourth Proportional to 37,578.31, 51,856.21 and 20,582.63

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Solution

The fourth proportional to 37,578.31, 51,856.21 and 20,582.63 is: 28,403.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,578.31 : 51,856.21 = 20,582.63 : x
  2. Step 2: Convert to fraction form
    37,578.31/51,856.21 = 20,582.63/x
  3. Step 3: Cross multiply
    37,578.31x = 51,856.21 × 20,582.63
  4. Step 4: Simplify right side
    37,578.31x = 1,067,336,872.89
  5. Step 5: Solve for x
    x = 1,067,336,872.89/37,578.31
  6. Step 6: Final answer
    x = 28,403.01

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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.