Home / 34,166.10-51,249.15-20,975.70

Finding the Fourth Proportional to 34,166.10, 51,249.15 and 20,975.70

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Solution

The fourth proportional to 34,166.10, 51,249.15 and 20,975.70 is: 31,463.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,166.10 : 51,249.15 = 20,975.70 : x
  2. Step 2: Convert to fraction form
    34,166.10/51,249.15 = 20,975.70/x
  3. Step 3: Cross multiply
    34,166.10x = 51,249.15 × 20,975.70
  4. Step 4: Simplify right side
    34,166.10x = 1,074,986,795.66
  5. Step 5: Solve for x
    x = 1,074,986,795.66/34,166.10
  6. Step 6: Final answer
    x = 31,463.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.