Home / 45,290.38-67,912.50-17,189.05

Finding the Fourth Proportional to 45,290.38, 67,912.50 and 17,189.05

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Solution

The fourth proportional to 45,290.38, 67,912.50 and 17,189.05 is: 25,774.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,290.38 : 67,912.50 = 17,189.05 : x
  2. Step 2: Convert to fraction form
    45,290.38/67,912.50 = 17,189.05/x
  3. Step 3: Cross multiply
    45,290.38x = 67,912.50 × 17,189.05
  4. Step 4: Simplify right side
    45,290.38x = 1,167,351,451.17
  5. Step 5: Solve for x
    x = 1,167,351,451.17/45,290.38
  6. Step 6: Final answer
    x = 25,774.82

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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.