Home / 37,121.10-55,684.83-12,161.04

Finding the Fourth Proportional to 37,121.10, 55,684.83 and 12,161.04

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Solution

The fourth proportional to 37,121.10, 55,684.83 and 12,161.04 is: 18,242.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,121.10 : 55,684.83 = 12,161.04 : x
  2. Step 2: Convert to fraction form
    37,121.10/55,684.83 = 12,161.04/x
  3. Step 3: Cross multiply
    37,121.10x = 55,684.83 × 12,161.04
  4. Step 4: Simplify right side
    37,121.10x = 677,185,445.02
  5. Step 5: Solve for x
    x = 677,185,445.02/37,121.10
  6. Step 6: Final answer
    x = 18,242.60

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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.