Home / 50,416.62-69,576.74-28,909.70

Finding the Fourth Proportional to 50,416.62, 69,576.74 and 28,909.70

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Solution

The fourth proportional to 50,416.62, 69,576.74 and 28,909.70 is: 39,896.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,416.62 : 69,576.74 = 28,909.70 : x
  2. Step 2: Convert to fraction form
    50,416.62/69,576.74 = 28,909.70/x
  3. Step 3: Cross multiply
    50,416.62x = 69,576.74 × 28,909.70
  4. Step 4: Simplify right side
    50,416.62x = 2,011,442,187.95
  5. Step 5: Solve for x
    x = 2,011,442,187.95/50,416.62
  6. Step 6: Final answer
    x = 39,896.41

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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.