Home / 37,139.88-55,659.26-20,474.92

Finding the Fourth Proportional to 37,139.88, 55,659.26 and 20,474.92

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Solution

The fourth proportional to 37,139.88, 55,659.26 and 20,474.92 is: 30,684.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,139.88 : 55,659.26 = 20,474.92 : x
  2. Step 2: Convert to fraction form
    37,139.88/55,659.26 = 20,474.92/x
  3. Step 3: Cross multiply
    37,139.88x = 55,659.26 × 20,474.92
  4. Step 4: Simplify right side
    37,139.88x = 1,139,618,895.76
  5. Step 5: Solve for x
    x = 1,139,618,895.76/37,139.88
  6. Step 6: Final answer
    x = 30,684.51

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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.