Home / 37,104.01-55,662.80-12,145.43

Finding the Fourth Proportional to 37,104.01, 55,662.80 and 12,145.43

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Solution

The fourth proportional to 37,104.01, 55,662.80 and 12,145.43 is: 18,220.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,104.01 : 55,662.80 = 12,145.43 : x
  2. Step 2: Convert to fraction form
    37,104.01/55,662.80 = 12,145.43/x
  3. Step 3: Cross multiply
    37,104.01x = 55,662.80 × 12,145.43
  4. Step 4: Simplify right side
    37,104.01x = 676,048,719.43
  5. Step 5: Solve for x
    x = 676,048,719.43/37,104.01
  6. Step 6: Final answer
    x = 18,220.37

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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.