Home / 50,423.82-75,661.25-20,862.87

Finding the Fourth Proportional to 50,423.82, 75,661.25 and 20,862.87

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Solution

The fourth proportional to 50,423.82, 75,661.25 and 20,862.87 is: 31,304.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,423.82 : 75,661.25 = 20,862.87 : x
  2. Step 2: Convert to fraction form
    50,423.82/75,661.25 = 20,862.87/x
  3. Step 3: Cross multiply
    50,423.82x = 75,661.25 × 20,862.87
  4. Step 4: Simplify right side
    50,423.82x = 1,578,510,822.79
  5. Step 5: Solve for x
    x = 1,578,510,822.79/50,423.82
  6. Step 6: Final answer
    x = 31,304.86

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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.