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Finding the Fourth Proportional to 50,914, 70,262.28 and 28,559.44

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Solution

The fourth proportional to 50,914, 70,262.28 and 28,559.44 is: 39,412.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,914 : 70,262.28 = 28,559.44 : x
  2. Step 2: Convert to fraction form
    50,914/70,262.28 = 28,559.44/x
  3. Step 3: Cross multiply
    50,914x = 70,262.28 × 28,559.44
  4. Step 4: Simplify right side
    50,914x = 2,006,651,369.92
  5. Step 5: Solve for x
    x = 2,006,651,369.92/50,914
  6. Step 6: Final answer
    x = 39,412.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.