Home / 37,100.10-55,657.94-12,138.22

Finding the Fourth Proportional to 37,100.10, 55,657.94 and 12,138.22

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Solution

The fourth proportional to 37,100.10, 55,657.94 and 12,138.22 is: 18,209.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,100.10 : 55,657.94 = 12,138.22 : x
  2. Step 2: Convert to fraction form
    37,100.10/55,657.94 = 12,138.22/x
  3. Step 3: Cross multiply
    37,100.10x = 55,657.94 × 12,138.22
  4. Step 4: Simplify right side
    37,100.10x = 675,588,120.63
  5. Step 5: Solve for x
    x = 675,588,120.63/37,100.10
  6. Step 6: Final answer
    x = 18,209.87

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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.