Home / 45,034.92-67,515.91-18,759.33

Finding the Fourth Proportional to 45,034.92, 67,515.91 and 18,759.33

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Solution

The fourth proportional to 45,034.92, 67,515.91 and 18,759.33 is: 28,123.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,034.92 : 67,515.91 = 18,759.33 : x
  2. Step 2: Convert to fraction form
    45,034.92/67,515.91 = 18,759.33/x
  3. Step 3: Cross multiply
    45,034.92x = 67,515.91 × 18,759.33
  4. Step 4: Simplify right side
    45,034.92x = 1,266,553,189.04
  5. Step 5: Solve for x
    x = 1,266,553,189.04/45,034.92
  6. Step 6: Final answer
    x = 28,123.80

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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.