Home / 34,834.49-48,075.70-20,687.34

Finding the Fourth Proportional to 34,834.49, 48,075.70 and 20,687.34

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Solution

The fourth proportional to 34,834.49, 48,075.70 and 20,687.34 is: 28,550.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,834.49 : 48,075.70 = 20,687.34 : x
  2. Step 2: Convert to fraction form
    34,834.49/48,075.70 = 20,687.34/x
  3. Step 3: Cross multiply
    34,834.49x = 48,075.70 × 20,687.34
  4. Step 4: Simplify right side
    34,834.49x = 994,558,351.64
  5. Step 5: Solve for x
    x = 994,558,351.64/34,834.49
  6. Step 6: Final answer
    x = 28,550.97

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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.