Home / 50,136.38-69,190.11-28,629.63

Finding the Fourth Proportional to 50,136.38, 69,190.11 and 28,629.63

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Solution

The fourth proportional to 50,136.38, 69,190.11 and 28,629.63 is: 39,509.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,136.38 : 69,190.11 = 28,629.63 : x
  2. Step 2: Convert to fraction form
    50,136.38/69,190.11 = 28,629.63/x
  3. Step 3: Cross multiply
    50,136.38x = 69,190.11 × 28,629.63
  4. Step 4: Simplify right side
    50,136.38x = 1,980,887,248.96
  5. Step 5: Solve for x
    x = 1,980,887,248.96/50,136.38
  6. Step 6: Final answer
    x = 39,509.98

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Find fourth proportional to 50,137.38, 69,191.49 and 28,630.63
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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.