Home / 50,515.44-69,697.64-28,711.41

Finding the Fourth Proportional to 50,515.44, 69,697.64 and 28,711.41

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Solution

The fourth proportional to 50,515.44, 69,697.64 and 28,711.41 is: 39,613.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,515.44 : 69,697.64 = 28,711.41 : x
  2. Step 2: Convert to fraction form
    50,515.44/69,697.64 = 28,711.41/x
  3. Step 3: Cross multiply
    50,515.44x = 69,697.64 × 28,711.41
  4. Step 4: Simplify right side
    50,515.44x = 2,001,117,374.52
  5. Step 5: Solve for x
    x = 2,001,117,374.52/50,515.44
  6. Step 6: Final answer
    x = 39,613.97

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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.