Home / 51,678.98-71,311.49-29,020.44

Finding the Fourth Proportional to 51,678.98, 71,311.49 and 29,020.44

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Solution

The fourth proportional to 51,678.98, 71,311.49 and 29,020.44 is: 40,045.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,678.98 : 71,311.49 = 29,020.44 : x
  2. Step 2: Convert to fraction form
    51,678.98/71,311.49 = 29,020.44/x
  3. Step 3: Cross multiply
    51,678.98x = 71,311.49 × 29,020.44
  4. Step 4: Simplify right side
    51,678.98x = 2,069,491,048.00
  5. Step 5: Solve for x
    x = 2,069,491,048.00/51,678.98
  6. Step 6: Final answer
    x = 40,045.12

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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.