Home / 37,487.28-56,236.68-12,519.60

Finding the Fourth Proportional to 37,487.28, 56,236.68 and 12,519.60

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Solution

The fourth proportional to 37,487.28, 56,236.68 and 12,519.60 is: 18,781.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,487.28 : 56,236.68 = 12,519.60 : x
  2. Step 2: Convert to fraction form
    37,487.28/56,236.68 = 12,519.60/x
  3. Step 3: Cross multiply
    37,487.28x = 56,236.68 × 12,519.60
  4. Step 4: Simplify right side
    37,487.28x = 704,060,738.93
  5. Step 5: Solve for x
    x = 704,060,738.93/37,487.28
  6. Step 6: Final answer
    x = 18,781.32

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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.