Home / 37,451.87-56,173.91-12,489.19

Finding the Fourth Proportional to 37,451.87, 56,173.91 and 12,489.19

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Solution

The fourth proportional to 37,451.87, 56,173.91 and 12,489.19 is: 18,732.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,451.87 : 56,173.91 = 12,489.19 : x
  2. Step 2: Convert to fraction form
    37,451.87/56,173.91 = 12,489.19/x
  3. Step 3: Cross multiply
    37,451.87x = 56,173.91 × 12,489.19
  4. Step 4: Simplify right side
    37,451.87x = 701,566,432.15
  5. Step 5: Solve for x
    x = 701,566,432.15/37,451.87
  6. Step 6: Final answer
    x = 18,732.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.