Home / 37,087.06-55,637.75-12,120.37

Finding the Fourth Proportional to 37,087.06, 55,637.75 and 12,120.37

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Solution

The fourth proportional to 37,087.06, 55,637.75 and 12,120.37 is: 18,182.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,087.06 : 55,637.75 = 12,120.37 : x
  2. Step 2: Convert to fraction form
    37,087.06/55,637.75 = 12,120.37/x
  3. Step 3: Cross multiply
    37,087.06x = 55,637.75 × 12,120.37
  4. Step 4: Simplify right side
    37,087.06x = 674,350,115.97
  5. Step 5: Solve for x
    x = 674,350,115.97/37,087.06
  6. Step 6: Final answer
    x = 18,182.89

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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.