Home / 50,910.96-70,239.24-29,685.72

Finding the Fourth Proportional to 50,910.96, 70,239.24 and 29,685.72

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Solution

The fourth proportional to 50,910.96, 70,239.24 and 29,685.72 is: 40,955.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,910.96 : 70,239.24 = 29,685.72 : x
  2. Step 2: Convert to fraction form
    50,910.96/70,239.24 = 29,685.72/x
  3. Step 3: Cross multiply
    50,910.96x = 70,239.24 × 29,685.72
  4. Step 4: Simplify right side
    50,910.96x = 2,085,102,411.65
  5. Step 5: Solve for x
    x = 2,085,102,411.65/50,910.96
  6. Step 6: Final answer
    x = 40,955.87

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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.