Home / 50,371.07-75,501.18-20,772.72

Finding the Fourth Proportional to 50,371.07, 75,501.18 and 20,772.72

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Solution

The fourth proportional to 50,371.07, 75,501.18 and 20,772.72 is: 31,136.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,371.07 : 75,501.18 = 20,772.72 : x
  2. Step 2: Convert to fraction form
    50,371.07/75,501.18 = 20,772.72/x
  3. Step 3: Cross multiply
    50,371.07x = 75,501.18 × 20,772.72
  4. Step 4: Simplify right side
    50,371.07x = 1,568,364,871.81
  5. Step 5: Solve for x
    x = 1,568,364,871.81/50,371.07
  6. Step 6: Final answer
    x = 31,136.23

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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.