Home / 50,503.24-75,706.50-18,904.72

Finding the Fourth Proportional to 50,503.24, 75,706.50 and 18,904.72

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Solution

The fourth proportional to 50,503.24, 75,706.50 and 18,904.72 is: 28,338.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,503.24 : 75,706.50 = 18,904.72 : x
  2. Step 2: Convert to fraction form
    50,503.24/75,706.50 = 18,904.72/x
  3. Step 3: Cross multiply
    50,503.24x = 75,706.50 × 18,904.72
  4. Step 4: Simplify right side
    50,503.24x = 1,431,210,184.68
  5. Step 5: Solve for x
    x = 1,431,210,184.68/50,503.24
  6. Step 6: Final answer
    x = 28,338.98

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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.