Home / 50,769.79-70,060.41-28,107

Finding the Fourth Proportional to 50,769.79, 70,060.41 and 28,107

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Solution

The fourth proportional to 50,769.79, 70,060.41 and 28,107 is: 38,786.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,769.79 : 70,060.41 = 28,107 : x
  2. Step 2: Convert to fraction form
    50,769.79/70,060.41 = 28,107/x
  3. Step 3: Cross multiply
    50,769.79x = 70,060.41 × 28,107
  4. Step 4: Simplify right side
    50,769.79x = 1,969,187,943.87
  5. Step 5: Solve for x
    x = 1,969,187,943.87/50,769.79
  6. Step 6: Final answer
    x = 38,786.61

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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.