Home / 37,153.28-55,634.78-20,494.80

Finding the Fourth Proportional to 37,153.28, 55,634.78 and 20,494.80

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Solution

The fourth proportional to 37,153.28, 55,634.78 and 20,494.80 is: 30,689.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,153.28 : 55,634.78 = 20,494.80 : x
  2. Step 2: Convert to fraction form
    37,153.28/55,634.78 = 20,494.80/x
  3. Step 3: Cross multiply
    37,153.28x = 55,634.78 × 20,494.80
  4. Step 4: Simplify right side
    37,153.28x = 1,140,223,586.67
  5. Step 5: Solve for x
    x = 1,140,223,586.67/37,153.28
  6. Step 6: Final answer
    x = 30,689.71

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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.