Home / 37,620.30-56,439.10-12,659.68

Finding the Fourth Proportional to 37,620.30, 56,439.10 and 12,659.68

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Solution

The fourth proportional to 37,620.30, 56,439.10 and 12,659.68 is: 18,992.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,620.30 : 56,439.10 = 12,659.68 : x
  2. Step 2: Convert to fraction form
    37,620.30/56,439.10 = 12,659.68/x
  3. Step 3: Cross multiply
    37,620.30x = 56,439.10 × 12,659.68
  4. Step 4: Simplify right side
    37,620.30x = 714,500,945.49
  5. Step 5: Solve for x
    x = 714,500,945.49/37,620.30
  6. Step 6: Final answer
    x = 18,992.43

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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.