Home / 37,217.75-55,830.15-12,257.87

Finding the Fourth Proportional to 37,217.75, 55,830.15 and 12,257.87

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Solution

The fourth proportional to 37,217.75, 55,830.15 and 12,257.87 is: 18,387.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,217.75 : 55,830.15 = 12,257.87 : x
  2. Step 2: Convert to fraction form
    37,217.75/55,830.15 = 12,257.87/x
  3. Step 3: Cross multiply
    37,217.75x = 55,830.15 × 12,257.87
  4. Step 4: Simplify right side
    37,217.75x = 684,358,441.63
  5. Step 5: Solve for x
    x = 684,358,441.63/37,217.75
  6. Step 6: Final answer
    x = 18,387.96

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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.