Home / 37,245.72-55,856.58-12,279.96

Finding the Fourth Proportional to 37,245.72, 55,856.58 and 12,279.96

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Solution

The fourth proportional to 37,245.72, 55,856.58 and 12,279.96 is: 18,415.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,245.72 : 55,856.58 = 12,279.96 : x
  2. Step 2: Convert to fraction form
    37,245.72/55,856.58 = 12,279.96/x
  3. Step 3: Cross multiply
    37,245.72x = 55,856.58 × 12,279.96
  4. Step 4: Simplify right side
    37,245.72x = 685,916,568.14
  5. Step 5: Solve for x
    x = 685,916,568.14/37,245.72
  6. Step 6: Final answer
    x = 18,415.98

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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.