Home / 37,017.20-55,525.80-13,640.60

Finding the Fourth Proportional to 37,017.20, 55,525.80 and 13,640.60

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Solution

The fourth proportional to 37,017.20, 55,525.80 and 13,640.60 is: 20,460.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,017.20 : 55,525.80 = 13,640.60 : x
  2. Step 2: Convert to fraction form
    37,017.20/55,525.80 = 13,640.60/x
  3. Step 3: Cross multiply
    37,017.20x = 55,525.80 × 13,640.60
  4. Step 4: Simplify right side
    37,017.20x = 757,405,227.48
  5. Step 5: Solve for x
    x = 757,405,227.48/37,017.20
  6. Step 6: Final answer
    x = 20,460.90

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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.