Home / 50,415.62-69,575.34-28,908.70

Finding the Fourth Proportional to 50,415.62, 69,575.34 and 28,908.70

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Solution

The fourth proportional to 50,415.62, 69,575.34 and 28,908.70 is: 39,895.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,415.62 : 69,575.34 = 28,908.70 : x
  2. Step 2: Convert to fraction form
    50,415.62/69,575.34 = 28,908.70/x
  3. Step 3: Cross multiply
    50,415.62x = 69,575.34 × 28,908.70
  4. Step 4: Simplify right side
    50,415.62x = 2,011,332,631.46
  5. Step 5: Solve for x
    x = 2,011,332,631.46/50,415.62
  6. Step 6: Final answer
    x = 39,895.03

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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.